Superior highly composite numbers: positive integers n for which there is an e > 0 such that d(n)/n^e >= d(k)/k^e for all k > 1, where the function d(n) counts the divisors of n (A000005).
A002201
Superior highly composite numbers: positive integers n for which there is an e > 0 such that d(n)/n^e >= d(k)/k^e for all k > 1, where the function d(n) counts the divisors of n (A000005).
Terms
- a(0) =2a(1) =6a(2) =12a(3) =60a(4) =120a(5) =360a(6) =2520a(7) =5040a(8) =55440a(9) =720720a(10) =1441440a(11) =4324320a(12) =21621600a(13) =367567200a(14) =6983776800a(15) =13967553600a(16) =321253732800
External references
- oeis: A002201