Numbers k such that sigma(x) = k has exactly 5 solutions.

Terms

a(0) =72a(1) =144a(2) =192a(3) =216a(4) =588a(5) =600a(6) =648a(7) =792a(8) =936a(9) =992a(10) =1056a(11) =1224a(12) =1302a(13) =1320a(14) =1560a(15) =1736a(16) =1980a(17) =2040a(18) =2088a(19) =2112a(20) =2268a(21) =2448a(22) =2730a(23) =2790a(24) =2912a(25) =3038a(26) =3136a(27) =3312a(28) =3472a(29) =3520