40208280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 139207680

約数和(自身を除く): 98999400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 151, 168, 210, 280, 302, 317, 420, 453, 604, 634, 755, 840, 906, 951, 1057, 1208, 1268, 1510, 1585, 1812, 1902, 2114, 2219, 2265, 2536, 3020, 3170, 3171, 3624, 3804, 4228, 4438, 4530, 4755, 5285, 6040, 6340, 6342, 6657, 7608, 8456, 8876, 9060, 9510, 10570, 11095, 12680, 12684, 13314, 15855, 17752, 18120, 19020, 21140, 22190, 25368, 26628, 31710, 33285, 38040, 42280, 44380, 47867, 53256, 63420, 66570, 88760, 95734, 126840, 133140, 143601, 191468, 239335, 266280, 287202, 335069, 382936, 478670, 574404, 670138, 718005, 957340, 1005207, 1148808, 1340276, 1436010, 1675345, 1914680, 2010414, 2680552, 2872020, 3350690, 4020828, 5026035, 5744040, 6701380, 8041656, 10052070, 13402760, 20104140, 40208280]

約数ペア:

[(1, 40208280), (2, 20104140), (3, 13402760), (4, 10052070), (5, 8041656), (6, 6701380), (7, 5744040), (8, 5026035), (10, 4020828), (12, 3350690), (14, 2872020), (15, 2680552), (20, 2010414), (21, 1914680), (24, 1675345), (28, 1436010), (30, 1340276), (35, 1148808), (40, 1005207), (42, 957340), (56, 718005), (60, 670138), (70, 574404), (84, 478670), (105, 382936), (120, 335069), (140, 287202), (151, 266280), (168, 239335), (210, 191468), (280, 143601), (302, 133140), (317, 126840), (420, 95734), (453, 88760), (604, 66570), (634, 63420), (755, 53256), (840, 47867), (906, 44380), (951, 42280), (1057, 38040), (1208, 33285), (1268, 31710), (1510, 26628), (1585, 25368), (1812, 22190), (1902, 21140), (2114, 19020), (2219, 18120), (2265, 17752), (2536, 15855), (3020, 13314), (3170, 12684), (3171, 12680), (3624, 11095), (3804, 10570), (4228, 9510), (4438, 9060), (4530, 8876), (4755, 8456), (5285, 7608), (6040, 6657), (6340, 6342)]