%I

%S 1,2,4,8,16,24,54,48,108,96,216,192,540,384,480,768,1296,1152,960,

%T 3072,2304,2688,1920,4608,4860,5376,3840,8064,5760,10752,7680,17280,

%U 19200,13440,11520,19440,41160,40824,29160,32256,23040,26880,61440,81648

%N Smallest number having at least n divisors and a prime power as n-th divisor.

%Y Cf. A000961, A087134, A119312.

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, May 15 2006