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A175753 Numbers with 46 divisors. 3

%I #20 May 04 2018 08:52:10

%S 12582912,20971520,29360128,46137344,54525952,71303168,79691776,

%T 96468992,121634816,130023424,155189248,171966464,180355072,197132288,

%U 222298112,247463936,255852544,281018368,297795584,306184192,331350016,348127232,373293056,406847488

%N Numbers with 46 divisors.

%C Numbers of the forms p^45 and p^22*q^1, where p and q are distinct primes.

%H T. D. Noe, <a href="/A175753/b175753.txt">Table of n, a(n) for n = 1..1000</a>

%H OEIS Wiki, <a href="https://oeis.org/wiki/Index_entries_for_number_of_divisors">Index entries for number of divisors</a>

%F A000005(a(n))=46.

%t Select[Range[80000000],DivisorSigma[0,#]==46&] (* _Vladimir Joseph Stephan Orlovsky_, May 06 2011 *)

%o (PARI) is(n)=numdiv(n)==46 \\ _Charles R Greathouse IV_, Jun 19 2016

%Y Cf. A139574, A175751, A175752.

%K nonn

%O 1,1

%A _Jaroslav Krizek_, Aug 27 2010

%E Extended by _T. D. Noe_, May 08 2011

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Last modified April 16 08:27 EDT 2024. Contains 371698 sequences. (Running on oeis4.)