Numbers k such that sigma(x) = k has exactly 10 solutions.

Terms

a(0) =504a(1) =864a(2) =960a(3) =1152a(4) =1260a(5) =2400a(6) =3276a(7) =3888a(8) =4992a(9) =6696a(10) =7020a(11) =7644a(12) =8892a(13) =9672a(14) =9984a(15) =11172a(16) =11200a(17) =11376a(18) =11616a(19) =11856a(20) =12936a(21) =13728a(22) =13888a(23) =14136a(24) =14280a(25) =15480a(26) =15876a(27) =15984a(28) =17808a(29) =19488