1631080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{337}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 4045860

約数和(自身を除く): 2414780

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 337, 440, 484, 605, 674, 968, 1210, 1348, 1685, 2420, 2696, 3370, 3707, 4840, 6740, 7414, 13480, 14828, 18535, 29656, 37070, 40777, 74140, 81554, 148280, 163108, 203885, 326216, 407770, 815540, 1631080]

約数ペア:

[(1, 1631080), (2, 815540), (4, 407770), (5, 326216), (8, 203885), (10, 163108), (11, 148280), (20, 81554), (22, 74140), (40, 40777), (44, 37070), (55, 29656), (88, 18535), (110, 14828), (121, 13480), (220, 7414), (242, 6740), (337, 4840), (440, 3707), (484, 3370), (605, 2696), (674, 2420), (968, 1685), (1210, 1348)]