31331640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1367}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 94556160

約数和(自身を除く): 63224520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 955, 1146, 1367, 1528, 1910, 2292, 2734, 2865, 3820, 4101, 4584, 5468, 5730, 6835, 7640, 8202, 10936, 11460, 13670, 16404, 20505, 22920, 27340, 32808, 41010, 54680, 82020, 164040, 261097, 522194, 783291, 1044388, 1305485, 1566582, 2088776, 2610970, 3133164, 3916455, 5221940, 6266328, 7832910, 10443880, 15665820, 31331640]

約数ペア:

[(1, 31331640), (2, 15665820), (3, 10443880), (4, 7832910), (5, 6266328), (6, 5221940), (8, 3916455), (10, 3133164), (12, 2610970), (15, 2088776), (20, 1566582), (24, 1305485), (30, 1044388), (40, 783291), (60, 522194), (120, 261097), (191, 164040), (382, 82020), (573, 54680), (764, 41010), (955, 32808), (1146, 27340), (1367, 22920), (1528, 20505), (1910, 16404), (2292, 13670), (2734, 11460), (2865, 10936), (3820, 8202), (4101, 7640), (4584, 6835), (5468, 5730)]