124=124•1, 62•2, 31•4;
150=150•1, 75•2, 50•3;
2520=2520•1, 1260•2, 840•3, 630•4, 504•5, 420•6,360•7, 315•8, 280•9, 252•10, 210•12, 180•14, 168•15, 140•18, 126•20, 120•21, 105•24, 28•90, 84•30, 35•72, 36•70;
