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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 (list; graph; refs; listen; history; text; internal format)
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.

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

OEIS Wiki, Index entries for number of divisors

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

Cf. A175748, A175749, A139574.

Sequence in context: A216945 A258572 A232382 * A054834 A232893 A054835

Adjacent sequences:  A175748 A175749 A175750 * A175752 A175753 A175754

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Aug 27 2010

STATUS

approved

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Last modified October 16 16:18 EDT 2019. Contains 328101 sequences. (Running on oeis4.)