a(n) is the smallest number with exactly n divisors that are Achilles numbers (A052486).

Terms

a(0) =1a(1) =72a(2) =216a(3) =432a(4) =1296a(5) =864a(6) =7200a(7) =2592a(8) =6912a(9) =10800a(10) =7776a(11) =15552a(12) =27000a(13) =41472a(14) =21600a(15) =31104a(16) =884736a(17) =54000a(18) =64800a(19) =129600a(20) =86400a(21) =248832a(22) =172800a(23) =162000a(24) =5308416a(25) =108000a(26) =194400a(27) =216000a(28) =518400a(29) =388800