The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A175742 Numbers with 32 divisors. 5
 840, 1080, 1320, 1512, 1560, 1848, 1890, 1920, 2040, 2184, 2280, 2310, 2376, 2688, 2730, 2760, 2808, 2856, 2970, 3000, 3080, 3192, 3432, 3456, 3480, 3510, 3570, 3640, 3672, 3720, 3864, 3990, 4104, 4158, 4224, 4290, 4440, 4480, 4488, 4590, 4760, 4830, 4872 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Numbers of the form p^31, p^15*q^1, p^7*q^3, p^7*q^1*r^1, p^3*q^3*r^1, p^3*q^1*r^1*s^1 and p^1*q^1*r^1*s^1*t^1, where p, q, r, s and t 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))=32. MATHEMATICA Select[Range[10000], DivisorSigma[0, #]==32&] (* Vladimir Joseph Stephan Orlovsky, May 06 2011 *) PROG (PARI) is(n)=numdiv(n)==32 \\ Charles R Greathouse IV, Jun 19 2016 CROSSREFS Cf. A137491, A137492, A137493, A139571. Cf. A046303 (a subsequence). - Michel Marcus, Apr 06 2017 Sequence in context: A135640 A306854 A095119 * A102793 A144770 A068546 Adjacent sequences:  A175739 A175740 A175741 * A175743 A175744 A175745 KEYWORD nonn AUTHOR Jaroslav Krizek, Aug 27 2010 EXTENSIONS Extended by T. D. Noe, May 09 2011 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified February 25 08:42 EST 2020. Contains 332221 sequences. (Running on oeis4.)