a(n) = least number m such that sigma(m)/m > n, where sigma(m) = sum of divisors of m.
A134716
a(n) = least number m such that sigma(m)/m > n, where sigma(m) = sum of divisors of m.
Terms
- a(0) =1a(1) =2a(2) =12a(3) =180a(4) =27720a(5) =122522400
External references
- oeis: A134716