Primitive 5-abundant numbers: Numbers k such that sigma(k) > 5k (A215264) all of whose proper divisors d are 5-deficient numbers (having sigma(d) < 5d).

A307115

Primitive 5-abundant numbers: Numbers k such that sigma(k) > 5k (A215264) all of whose proper divisors d are 5-deficient numbers (having sigma(d) < 5d).

Terms

    a(0) =122522400a(1) =147026880a(2) =183783600a(3) =205405200a(4) =220540320a(5) =232792560a(6) =273873600a(7) =328648320a(8) =428828400a(9) =492972480a(10) =497296800a(11) =514594080a(12) =537213600a(13) =563603040a(14) =575134560a(15) =581981400a(16) =605404800a(17) =627026400a(18) =629909280a(19) =670269600a(20) =684684000a(21) =710629920a(22) =739458720a(23) =745945200

External references