51120120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9907}}^1$

素因数の和:9964

約数の個数: 64

約数和(自身を含む): 156942720

約数和(自身を除く): 105822600

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, 9907, 19814, 29721, 39628, 49535, 59442, 79256, 99070, 118884, 148605, 198140, 237768, 297210, 396280, 426001, 594420, 852002, 1188840, 1278003, 1704004, 2130005, 2556006, 3408008, 4260010, 5112012, 6390015, 8520020, 10224024, 12780030, 17040040, 25560060, 51120120]

約数ペア:

[(1, 51120120), (2, 25560060), (3, 17040040), (4, 12780030), (5, 10224024), (6, 8520020), (8, 6390015), (10, 5112012), (12, 4260010), (15, 3408008), (20, 2556006), (24, 2130005), (30, 1704004), (40, 1278003), (43, 1188840), (60, 852002), (86, 594420), (120, 426001), (129, 396280), (172, 297210), (215, 237768), (258, 198140), (344, 148605), (430, 118884), (516, 99070), (645, 79256), (860, 59442), (1032, 49535), (1290, 39628), (1720, 29721), (2580, 19814), (5160, 9907)]