Highly composite numbers of class 2 (see comment in A275239).

Terms

a(0) =5a(1) =9a(2) =10a(3) =20a(4) =40a(5) =80a(6) =84a(7) =192a(8) =210a(9) =288a(10) =432a(11) =480a(12) =1200a(13) =1320a(14) =1800a(15) =2640a(16) =3600a(17) =3780a(18) =6480a(19) =7200a(20) =8400a(21) =10920a(22) =13860a(23) =21840a(24) =31680a(25) =32760a(26) =69300a(27) =73920a(28) =75600a(29) =100800