1520854960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{442109}}^1$

素因数の和:442165

約数の個数: 40

約数和(自身を含む): 3618228240

約数和(自身を除く): 2097373280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 442109, 884218, 1768436, 2210545, 3536872, 4421090, 7073744, 8842180, 17684360, 19010687, 35368720, 38021374, 76042748, 95053435, 152085496, 190106870, 304170992, 380213740, 760427480, 1520854960]

約数ペア:

[(1, 1520854960), (2, 760427480), (4, 380213740), (5, 304170992), (8, 190106870), (10, 152085496), (16, 95053435), (20, 76042748), (40, 38021374), (43, 35368720), (80, 19010687), (86, 17684360), (172, 8842180), (215, 7073744), (344, 4421090), (430, 3536872), (688, 2210545), (860, 1768436), (1720, 884218), (3440, 442109)]