90118620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1321}}^1$

素因数の和:1715

約数の個数: 72

約数和(自身を含む): 274288560

約数和(自身を除く): 184169940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1321, 1516, 1895, 2274, 2642, 3411, 3790, 3963, 4548, 5284, 5685, 6605, 6822, 7580, 7926, 11370, 11889, 13210, 13644, 15852, 17055, 19815, 22740, 23778, 26420, 34110, 39630, 47556, 59445, 68220, 79260, 118890, 237780, 500659, 1001318, 1501977, 2002636, 2503295, 3003954, 4505931, 5006590, 6007908, 7509885, 9011862, 10013180, 15019770, 18023724, 22529655, 30039540, 45059310, 90118620]

約数ペア:

[(1, 90118620), (2, 45059310), (3, 30039540), (4, 22529655), (5, 18023724), (6, 15019770), (9, 10013180), (10, 9011862), (12, 7509885), (15, 6007908), (18, 5006590), (20, 4505931), (30, 3003954), (36, 2503295), (45, 2002636), (60, 1501977), (90, 1001318), (180, 500659), (379, 237780), (758, 118890), (1137, 79260), (1321, 68220), (1516, 59445), (1895, 47556), (2274, 39630), (2642, 34110), (3411, 26420), (3790, 23778), (3963, 22740), (4548, 19815), (5284, 17055), (5685, 15852), (6605, 13644), (6822, 13210), (7580, 11889), (7926, 11370)]