Nonexponential superabundant numbers: numbers m such that nesigma(m)/m > nesigma(k)/k for all k < m, where nesigma(m) is the sum of nonexponential divisors of m (A160135).
A348630
Nonexponential superabundant numbers: numbers m such that nesigma(m)/m > nesigma(k)/k for all k < m, where nesigma(m) is the sum of nonexponential divisors of m (A160135).
Terms
- a(0) =1a(1) =24a(2) =30a(3) =96a(4) =120a(5) =480a(6) =840a(7) =3360a(8) =13440a(9) =30240a(10) =36960a(11) =120960a(12) =147840a(13) =272160a(14) =332640a(15) =1330560a(16) =2993760a(17) =4324320a(18) =17297280a(19) =38918880a(20) =73513440a(21) =220540320a(22) =294053760a(23) =661620960a(24) =1396755360a(25) =2646483840a(26) =5587021440a(27) =12570798240
External references
- oeis: A348630