70713640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 164342160

約数和(自身を除く): 93628520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 292, 305, 365, 397, 488, 584, 610, 730, 794, 1220, 1460, 1588, 1985, 2440, 2920, 3176, 3970, 4453, 7940, 8906, 15880, 17812, 22265, 24217, 28981, 35624, 44530, 48434, 57962, 89060, 96868, 115924, 121085, 144905, 178120, 193736, 231848, 242170, 289810, 484340, 579620, 968680, 1159240, 1767841, 3535682, 7071364, 8839205, 14142728, 17678410, 35356820, 70713640]

約数ペア:

[(1, 70713640), (2, 35356820), (4, 17678410), (5, 14142728), (8, 8839205), (10, 7071364), (20, 3535682), (40, 1767841), (61, 1159240), (73, 968680), (122, 579620), (146, 484340), (244, 289810), (292, 242170), (305, 231848), (365, 193736), (397, 178120), (488, 144905), (584, 121085), (610, 115924), (730, 96868), (794, 89060), (1220, 57962), (1460, 48434), (1588, 44530), (1985, 35624), (2440, 28981), (2920, 24217), (3176, 22265), (3970, 17812), (4453, 15880), (7940, 8906)]