8742120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 26421120

約数和(自身を除く): 17679000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 277, 526, 554, 789, 831, 1052, 1108, 1315, 1385, 1578, 1662, 2104, 2216, 2630, 2770, 3156, 3324, 3945, 4155, 5260, 5540, 6312, 6648, 7890, 8310, 10520, 11080, 15780, 16620, 31560, 33240, 72851, 145702, 218553, 291404, 364255, 437106, 582808, 728510, 874212, 1092765, 1457020, 1748424, 2185530, 2914040, 4371060, 8742120]

約数ペア:

[(1, 8742120), (2, 4371060), (3, 2914040), (4, 2185530), (5, 1748424), (6, 1457020), (8, 1092765), (10, 874212), (12, 728510), (15, 582808), (20, 437106), (24, 364255), (30, 291404), (40, 218553), (60, 145702), (120, 72851), (263, 33240), (277, 31560), (526, 16620), (554, 15780), (789, 11080), (831, 10520), (1052, 8310), (1108, 7890), (1315, 6648), (1385, 6312), (1578, 5540), (1662, 5260), (2104, 4155), (2216, 3945), (2630, 3324), (2770, 3156)]