Highly abundant numbers (A002093) whose largest prime factor has power greater than 1.

Terms

a(0) =4a(1) =8a(2) =16a(3) =18a(4) =36a(5) =72a(6) =108a(7) =144a(8) =216a(9) =288a(10) =300a(11) =600a(12) =1200a(13) =1800a(14) =2400a(15) =3600a(16) =5880a(17) =7200a(18) =8820a(19) =11760a(20) =17640a(21) =35280a(22) =52920a(23) =70560a(24) =105840a(25) =211680a(26) =609840a(27) =914760a(28) =1219680a(29) =2439360