318015960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61631}}^1$

素因数の和:61688

約数の個数: 64

約数和(自身を含む): 976250880

約数和(自身を除く): 658234920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 61631, 123262, 184893, 246524, 308155, 369786, 493048, 616310, 739572, 924465, 1232620, 1479144, 1848930, 2465240, 2650133, 3697860, 5300266, 7395720, 7950399, 10600532, 13250665, 15900798, 21201064, 26501330, 31801596, 39751995, 53002660, 63603192, 79503990, 106005320, 159007980, 318015960]

約数ペア:

[(1, 318015960), (2, 159007980), (3, 106005320), (4, 79503990), (5, 63603192), (6, 53002660), (8, 39751995), (10, 31801596), (12, 26501330), (15, 21201064), (20, 15900798), (24, 13250665), (30, 10600532), (40, 7950399), (43, 7395720), (60, 5300266), (86, 3697860), (120, 2650133), (129, 2465240), (172, 1848930), (215, 1479144), (258, 1232620), (344, 924465), (430, 739572), (516, 616310), (645, 493048), (860, 369786), (1032, 308155), (1290, 246524), (1720, 184893), (2580, 123262), (5160, 61631)]