156958527560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1\times {\mathrm{18959}}^1$

素因数の和:20598

約数の個数: 64

約数和(自身を含む): 355955040000

約数和(自身を除く): 198996512440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1489, 2780, 2978, 5560, 5956, 7445, 11912, 14890, 18959, 29780, 37918, 59560, 75836, 94795, 151672, 189590, 206971, 379180, 413942, 758360, 827884, 1034855, 1655768, 2069710, 2635301, 4139420, 5270602, 8278840, 10541204, 13176505, 21082408, 26353010, 28229951, 52706020, 56459902, 105412040, 112919804, 141149755, 225839608, 282299510, 564599020, 1129198040, 3923963189, 7847926378, 15695852756, 19619815945, 31391705512, 39239631890, 78479263780, 156958527560]

約数ペア:

[(1, 156958527560), (2, 78479263780), (4, 39239631890), (5, 31391705512), (8, 19619815945), (10, 15695852756), (20, 7847926378), (40, 3923963189), (139, 1129198040), (278, 564599020), (556, 282299510), (695, 225839608), (1112, 141149755), (1390, 112919804), (1489, 105412040), (2780, 56459902), (2978, 52706020), (5560, 28229951), (5956, 26353010), (7445, 21082408), (11912, 13176505), (14890, 10541204), (18959, 8278840), (29780, 5270602), (37918, 4139420), (59560, 2635301), (75836, 2069710), (94795, 1655768), (151672, 1034855), (189590, 827884), (206971, 758360), (379180, 413942)]