Numbers k such that the sum of p^2, where p are the prime divisors of k, divides the sum of d^2, where d are the divisors of k.
A070224
Numbers k such that the sum of p^2, where p are the prime divisors of k, divides the sum of d^2, where d are the divisors of k.
Terms
- a(0) =18a(1) =36a(2) =72a(3) =96a(4) =140a(5) =144a(6) =234a(7) =288a(8) =336a(9) =468a(10) =486a(11) =490a(12) =576a(13) =825a(14) =864a(15) =924a(16) =936a(17) =972a(18) =980a(19) =1008a(20) =1120a(21) =1152a(22) =1248a(23) =1872a(24) =1944a(25) =1960a(26) =2300a(27) =2304a(28) =2310a(29) =2352
External references
- oeis: A070224