61330040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 142702560

約数和(自身を除く): 81372520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 181, 197, 215, 344, 362, 394, 430, 724, 788, 860, 905, 985, 1448, 1576, 1720, 1810, 1970, 3620, 3940, 7240, 7783, 7880, 8471, 15566, 16942, 31132, 33884, 35657, 38915, 42355, 62264, 67768, 71314, 77830, 84710, 142628, 155660, 169420, 178285, 285256, 311320, 338840, 356570, 713140, 1426280, 1533251, 3066502, 6133004, 7666255, 12266008, 15332510, 30665020, 61330040]

約数ペア:

[(1, 61330040), (2, 30665020), (4, 15332510), (5, 12266008), (8, 7666255), (10, 6133004), (20, 3066502), (40, 1533251), (43, 1426280), (86, 713140), (172, 356570), (181, 338840), (197, 311320), (215, 285256), (344, 178285), (362, 169420), (394, 155660), (430, 142628), (724, 84710), (788, 77830), (860, 71314), (905, 67768), (985, 62264), (1448, 42355), (1576, 38915), (1720, 35657), (1810, 33884), (1970, 31132), (3620, 16942), (3940, 15566), (7240, 8471), (7783, 7880)]