Sum of aliquot divisors of Ramanujan's highly composite numbers.

Terms

a(0) =0a(1) =1a(2) =3a(3) =6a(4) =16a(5) =36a(6) =55a(7) =76a(8) =108a(9) =240a(10) =366a(11) =504a(12) =810a(13) =1698a(14) =2040a(15) =3108a(16) =4272a(17) =6840a(18) =14304a(19) =21240a(20) =29232a(21) =44400a(22) =59088a(23) =74744a(24) =84600a(25) =134688a(26) =152712a(27) =176688a(28) =262440a(29) =360864