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A175746 Numbers with 36 divisors. 3
1260, 1440, 1800, 1980, 2016, 2100, 2340, 2400, 2700, 2772, 2940, 3060, 3150, 3168, 3276, 3300, 3420, 3528, 3744, 3840, 3900, 4140, 4284, 4410, 4500, 4704, 4788, 4860, 4896, 4950, 5100, 5148, 5220, 5292, 5376, 5472, 5580, 5600, 5700, 5796, 5850, 6468, 6624 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Numbers of the forms p^35, p^17*q^1, p^11*q^2, p^8*q^3, p^5*q^5, p^8*q^1*r^1, p^5*q^2*r^1, p^3*q^2*r^2 and p^2*q^2*r^1*s^1, where p, q, r, and s 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))=36.

MATHEMATICA

Select[Range[10000], DivisorSigma[0, #]==36&] (* Vladimir Joseph Stephan Orlovsky, May 06 2011 *)

PROG

(PARI) is(n)=numdiv(n)==36 \\ Charles R Greathouse IV, Jun 19 2016

CROSSREFS

Cf. A175744, A175745.

Sequence in context: A240922 A014575 A144563 * A179690 A158737 A252277

Adjacent sequences:  A175743 A175744 A175745 * A175747 A175748 A175749

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Aug 27 2010

EXTENSIONS

Extended by T. D. Noe, May 08 2011

STATUS

approved

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Last modified June 24 08:33 EDT 2017. Contains 288697 sequences.