Numbers k such that sigma(k) >= 3*k.

Terms

a(0) =120a(1) =180a(2) =240a(3) =360a(4) =420a(5) =480a(6) =504a(7) =540a(8) =600a(9) =660a(10) =672a(11) =720a(12) =780a(13) =840a(14) =900a(15) =960a(16) =1008a(17) =1080a(18) =1200a(19) =1260a(20) =1320a(21) =1344a(22) =1440a(23) =1512a(24) =1560a(25) =1584a(26) =1620a(27) =1680a(28) =1800a(29) =1848