Least number whose number of divisors is n-th term from A014613 (numbers of form p*q*r*s, products of exactly 4 primes, counted with multiplicity).

A061218

Least number whose number of divisors is n-th term from A014613 (numbers of form p*q*r*s, products of exactly 4 primes, counted with multiplicity).

Terms

    a(0) =120a(1) =360a(2) =1260a(3) =1680a(4) =6300a(5) =6720a(6) =5040a(7) =44100a(8) =20160a(9) =107520a(10) =25200a(11) =45360a(12) =430080a(13) =100800a(14) =322560a(15) =176400a(16) =6881280a(17) =181440a(18) =226800a(19) =27525120a(20) =1290240a(21) =440401920a(22) =705600a(23) =1632960a(24) =1612800a(25) =20643840a(26) =907200a(27) =2903040a(28) =1587600a(29) =82575360

External references