%I #29 Aug 09 2019 04:35:30

%S 60,72,84,90,96,108,126,132,140,150,156,160,198,200,204,220,224,228,

%T 234,260,276,294,306,308,315,340,342,348,350,352,364,372,380,392,414,

%U 416,444,460,476,486,490,492,495,500,516,522,525,532,544,550

%N Numbers with 12 divisors.

%C Numbers of the form p^11 A079395, p*q^5 A178740, p*q*r^2 A085987, or p^2*q^3 A143610, where p, q and r are distinct primes. - _R. J. Mathar_, Mar 01 2010, Mar 17 2010

%H R. J. Mathar, <a href="/A030630/b030630.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[600], Length[Divisors[ # ]] == 12 &] (* _Stefan Steinerberger_, Apr 10 2006 *)

%t Select[Range[600],DivisorSigma[0,#]==12&] (* _Harvey P. Dale_, Jun 01 2016 *)

%o (PARI) for(n=1, 1e3, if(numdiv(n)==12, print1(n,", "))) \\ _Altug Alkan_, Nov 11 2015

%K nonn

%O 1,1

%A _Jeff Burch_