Numbers k such that sigma(k)/k >= sigma(m)/m for all m <= k.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =24a(6) =36a(7) =48a(8) =60a(9) =120a(10) =180a(11) =240a(12) =360a(13) =720a(14) =840a(15) =1260a(16) =1680a(17) =2520a(18) =5040a(19) =10080a(20) =15120a(21) =25200a(22) =27720a(23) =55440a(24) =110880a(25) =166320a(26) =277200a(27) =332640a(28) =360360a(29) =554400