139552020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1579}}^1$

素因数の和:2085

約数の個数: 72

約数和(自身を含む): 424438560

約数和(自身を除く): 284886540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1579, 1964, 2455, 2946, 3158, 4419, 4737, 4910, 5892, 6316, 7365, 7895, 8838, 9474, 9820, 14211, 14730, 15790, 17676, 18948, 22095, 23685, 28422, 29460, 31580, 44190, 47370, 56844, 71055, 88380, 94740, 142110, 284220, 775289, 1550578, 2325867, 3101156, 3876445, 4651734, 6977601, 7752890, 9303468, 11629335, 13955202, 15505780, 23258670, 27910404, 34888005, 46517340, 69776010, 139552020]

約数ペア:

[(1, 139552020), (2, 69776010), (3, 46517340), (4, 34888005), (5, 27910404), (6, 23258670), (9, 15505780), (10, 13955202), (12, 11629335), (15, 9303468), (18, 7752890), (20, 6977601), (30, 4651734), (36, 3876445), (45, 3101156), (60, 2325867), (90, 1550578), (180, 775289), (491, 284220), (982, 142110), (1473, 94740), (1579, 88380), (1964, 71055), (2455, 56844), (2946, 47370), (3158, 44190), (4419, 31580), (4737, 29460), (4910, 28422), (5892, 23685), (6316, 22095), (7365, 18948), (7895, 17676), (8838, 15790), (9474, 14730), (9820, 14211)]