3218445080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1\times {\mathrm{1997}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 7421531040

約数和(自身を除く): 4203085960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 937, 1720, 1874, 1997, 3748, 3994, 4685, 7496, 7988, 9370, 9985, 15976, 18740, 19970, 37480, 39940, 40291, 79880, 80582, 85871, 161164, 171742, 201455, 322328, 343484, 402910, 429355, 686968, 805820, 858710, 1611640, 1717420, 1871189, 3434840, 3742378, 7484756, 9355945, 14969512, 18711890, 37423780, 74847560, 80461127, 160922254, 321844508, 402305635, 643689016, 804611270, 1609222540, 3218445080]

約数ペア:

[(1, 3218445080), (2, 1609222540), (4, 804611270), (5, 643689016), (8, 402305635), (10, 321844508), (20, 160922254), (40, 80461127), (43, 74847560), (86, 37423780), (172, 18711890), (215, 14969512), (344, 9355945), (430, 7484756), (860, 3742378), (937, 3434840), (1720, 1871189), (1874, 1717420), (1997, 1611640), (3748, 858710), (3994, 805820), (4685, 686968), (7496, 429355), (7988, 402910), (9370, 343484), (9985, 322328), (15976, 201455), (18740, 171742), (19970, 161164), (37480, 85871), (39940, 80582), (40291, 79880)]