The On-Line Encyclopedia of Integer Sequences (OEIS)

A165412 revision #5

A165412

Divisors of 2520.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520

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OFFSET

1,2

COMMENTS

2520 is the largest and last of most highly composite numbers = A072938(7) = A002182(18) = 2520;

a(A000005(2520)) = a(48) = 2520 is the last term.

LINKS

Table of n, a(n) for n=1..48.

Eric Weisstein's World of Mathematics, Highly Composite Number

Index entries for sequences related to divisors of numbers

CROSSREFS

Cf. A018336, A018357, A018388, A018412, A018444, A018490, A018559, and A018676 are subsets.

Cf. A018253, A018256, A018261, A018266, A018293, A018321, A018350, A018412, A018609, A018676, A178877, A178878, A178858, A178859, A178860, A178861, A178862, A178863, A178864. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 21 2010]

Sequence in context: A303332 A030477 A178859 * A180042 A096868 A266351

Adjacent sequences: A165409 A165410 A165411 * A165413 A165414 A165415

KEYWORD

fini,full,nonn,easy

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 17 2009

STATUS

approved