31571880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{857}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 95135040

約数和(自身を除く): 63563160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 614, 857, 921, 1228, 1535, 1714, 1842, 2456, 2571, 3070, 3428, 3684, 4285, 4605, 5142, 6140, 6856, 7368, 8570, 9210, 10284, 12280, 12855, 17140, 18420, 20568, 25710, 34280, 36840, 51420, 102840, 263099, 526198, 789297, 1052396, 1315495, 1578594, 2104792, 2630990, 3157188, 3946485, 5261980, 6314376, 7892970, 10523960, 15785940, 31571880]

約数ペア:

[(1, 31571880), (2, 15785940), (3, 10523960), (4, 7892970), (5, 6314376), (6, 5261980), (8, 3946485), (10, 3157188), (12, 2630990), (15, 2104792), (20, 1578594), (24, 1315495), (30, 1052396), (40, 789297), (60, 526198), (120, 263099), (307, 102840), (614, 51420), (857, 36840), (921, 34280), (1228, 25710), (1535, 20568), (1714, 18420), (1842, 17140), (2456, 12855), (2571, 12280), (3070, 10284), (3428, 9210), (3684, 8570), (4285, 7368), (4605, 6856), (5142, 6140)]