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%I #9 Sep 02 2019 04:27:07
%S 1,2,4,6,8,12,18,20,24,36,48,60,72,84,108,120,144,168,180,288,300,360,
%T 420,540,660,720,780,840,900,1080
%N Values of n where A046801(n) produces a record.
%e 240 doesn't qualify because 2^180-1 has 6291456 divisors but 2^240-1 has only 4718592 divisors.
%Y Cf. A046801.
%K hard,nonn,more
%O 1,2
%A _J. Lowell_, May 11 2010
%E Corrected and extended by _Alois P. Heinz_, Sep 13 2011
%E a(24)-a(30) from _Amiram Eldar_, Sep 02 2019