31039260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 100058112

約数和(自身を除く): 69018852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 263, 281, 420, 526, 562, 789, 843, 1052, 1124, 1315, 1405, 1578, 1686, 1841, 1967, 2630, 2810, 3156, 3372, 3682, 3934, 3945, 4215, 5260, 5523, 5620, 5901, 7364, 7868, 7890, 8430, 9205, 9835, 11046, 11802, 15780, 16860, 18410, 19670, 22092, 23604, 27615, 29505, 36820, 39340, 55230, 59010, 73903, 110460, 118020, 147806, 221709, 295612, 369515, 443418, 517321, 739030, 886836, 1034642, 1108545, 1478060, 1551963, 2069284, 2217090, 2586605, 3103926, 4434180, 5173210, 6207852, 7759815, 10346420, 15519630, 31039260]

約数ペア:

[(1, 31039260), (2, 15519630), (3, 10346420), (4, 7759815), (5, 6207852), (6, 5173210), (7, 4434180), (10, 3103926), (12, 2586605), (14, 2217090), (15, 2069284), (20, 1551963), (21, 1478060), (28, 1108545), (30, 1034642), (35, 886836), (42, 739030), (60, 517321), (70, 443418), (84, 369515), (105, 295612), (140, 221709), (210, 147806), (263, 118020), (281, 110460), (420, 73903), (526, 59010), (562, 55230), (789, 39340), (843, 36820), (1052, 29505), (1124, 27615), (1315, 23604), (1405, 22092), (1578, 19670), (1686, 18410), (1841, 16860), (1967, 15780), (2630, 11802), (2810, 11046), (3156, 9835), (3372, 9205), (3682, 8430), (3934, 7890), (3945, 7868), (4215, 7364), (5260, 5901), (5523, 5620)]