Highly composite numbers that are multiples of their number of divisors.

Terms

a(0) =1a(1) =2a(2) =12a(3) =24a(4) =36a(5) =60a(6) =180a(7) =240a(8) =360a(9) =720a(10) =1260a(11) =1680a(12) =5040a(13) =10080a(14) =15120a(15) =20160a(16) =25200a(17) =55440a(18) =110880a(19) =221760a(20) =277200a(21) =665280a(22) =720720a(23) =1441440a(24) =2882880a(25) =3603600a(26) =8648640a(27) =14414400a(28) =32432400a(29) =43243200