31905780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1367}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 89631360

約数和(自身を除く): 57725580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1367, 1556, 1945, 2334, 2734, 3890, 4101, 4668, 5468, 5835, 6835, 7780, 8202, 11670, 13670, 16404, 20505, 23340, 27340, 41010, 82020, 531763, 1063526, 1595289, 2127052, 2658815, 3190578, 5317630, 6381156, 7976445, 10635260, 15952890, 31905780]

約数ペア:

[(1, 31905780), (2, 15952890), (3, 10635260), (4, 7976445), (5, 6381156), (6, 5317630), (10, 3190578), (12, 2658815), (15, 2127052), (20, 1595289), (30, 1063526), (60, 531763), (389, 82020), (778, 41010), (1167, 27340), (1367, 23340), (1556, 20505), (1945, 16404), (2334, 13670), (2734, 11670), (3890, 8202), (4101, 7780), (4668, 6835), (5468, 5835)]