31508520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1889}}^1$

素因数の和:2042

約数の個数: 64

約数和(自身を含む): 95256000

約数和(自身を除く): 63747480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 1889, 2085, 2780, 3336, 3778, 4170, 5560, 5667, 7556, 8340, 9445, 11334, 15112, 16680, 18890, 22668, 28335, 37780, 45336, 56670, 75560, 113340, 226680, 262571, 525142, 787713, 1050284, 1312855, 1575426, 2100568, 2625710, 3150852, 3938565, 5251420, 6301704, 7877130, 10502840, 15754260, 31508520]

約数ペア:

[(1, 31508520), (2, 15754260), (3, 10502840), (4, 7877130), (5, 6301704), (6, 5251420), (8, 3938565), (10, 3150852), (12, 2625710), (15, 2100568), (20, 1575426), (24, 1312855), (30, 1050284), (40, 787713), (60, 525142), (120, 262571), (139, 226680), (278, 113340), (417, 75560), (556, 56670), (695, 45336), (834, 37780), (1112, 28335), (1390, 22668), (1668, 18890), (1889, 16680), (2085, 15112), (2780, 11334), (3336, 9445), (3778, 8340), (4170, 7556), (5560, 5667)]