31395720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{261631}}^1$

素因数の和:261645

約数の個数: 32

約数和(自身を含む): 94187520

約数和(自身を除く): 62791800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 261631, 523262, 784893, 1046524, 1308155, 1569786, 2093048, 2616310, 3139572, 3924465, 5232620, 6279144, 7848930, 10465240, 15697860, 31395720]

約数ペア:

[(1, 31395720), (2, 15697860), (3, 10465240), (4, 7848930), (5, 6279144), (6, 5232620), (8, 3924465), (10, 3139572), (12, 2616310), (15, 2093048), (20, 1569786), (24, 1308155), (30, 1046524), (40, 784893), (60, 523262), (120, 261631)]