Number with a record number of divisors whose prime factorizations contain no repeated exponents.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =12a(5) =24a(6) =48a(7) =72a(8) =96a(9) =144a(10) =288a(11) =432a(12) =576a(13) =720a(14) =864a(15) =1152a(16) =1440a(17) =2160a(18) =2880a(19) =4320a(20) =5760a(21) =8640a(22) =12960a(23) =17280a(24) =25920a(25) =34560a(26) =43200a(27) =51840a(28) =69120a(29) =77760