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A175751
Numbers with 44 divisors.
4
15360, 21504, 27648, 33792, 35840, 39936, 52224, 56320, 58368, 66560, 70656, 78848, 87040, 89088, 93184, 95232, 97280, 113664, 117760, 121856, 125952, 128000, 132096, 136192, 144384, 146432, 148480, 158720, 162816, 164864, 181248, 187392
OFFSET
1,1
COMMENTS
Numbers of the forms p^43, p^21*q^1, p^10*q^3 and p^10*q^1*r^1, where p, q, and r are distinct primes.
FORMULA
A000005(a(n))=44.
MATHEMATICA
Select[Range[300000], DivisorSigma[0, #]==44&] (* Vladimir Joseph Stephan Orlovsky, May 06 2011 *)
PROG
(PARI) is(n)=numdiv(n)==44 \\ Charles R Greathouse IV, Jun 19 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Aug 27 2010
STATUS
approved