31155720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{259631}}^1$

素因数の和:259645

約数の個数: 32

約数和(自身を含む): 93467520

約数和(自身を除く): 62311800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 259631, 519262, 778893, 1038524, 1298155, 1557786, 2077048, 2596310, 3115572, 3894465, 5192620, 6231144, 7788930, 10385240, 15577860, 31155720]

約数ペア:

[(1, 31155720), (2, 15577860), (3, 10385240), (4, 7788930), (5, 6231144), (6, 5192620), (8, 3894465), (10, 3115572), (12, 2596310), (15, 2077048), (20, 1557786), (24, 1298155), (30, 1038524), (40, 778893), (60, 519262), (120, 259631)]