15280480

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2279

約数の個数: 48

約数和(自身を含む): 36956304

約数和(自身を除く): 21675824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2221, 3440, 4442, 6880, 8884, 11105, 17768, 22210, 35536, 44420, 71072, 88840, 95503, 177680, 191006, 355360, 382012, 477515, 764024, 955030, 1528048, 1910060, 3056096, 3820120, 7640240, 15280480]

約数ペア:

[(1, 15280480), (2, 7640240), (4, 3820120), (5, 3056096), (8, 1910060), (10, 1528048), (16, 955030), (20, 764024), (32, 477515), (40, 382012), (43, 355360), (80, 191006), (86, 177680), (160, 95503), (172, 88840), (215, 71072), (344, 44420), (430, 35536), (688, 22210), (860, 17768), (1376, 11105), (1720, 8884), (2221, 6880), (3440, 4442)]