78274140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{821}}^1$

素因数の和:1067

約数の個数: 96

約数和(自身を含む): 251887104

約数和(自身を除く): 173612964

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, 227, 420, 454, 681, 821, 908, 1135, 1362, 1589, 1642, 2270, 2463, 2724, 3178, 3284, 3405, 4105, 4540, 4767, 4926, 5747, 6356, 6810, 7945, 8210, 9534, 9852, 11494, 12315, 13620, 15890, 16420, 17241, 19068, 22988, 23835, 24630, 28735, 31780, 34482, 47670, 49260, 57470, 68964, 86205, 95340, 114940, 172410, 186367, 344820, 372734, 559101, 745468, 931835, 1118202, 1304569, 1863670, 2236404, 2609138, 2795505, 3727340, 3913707, 5218276, 5591010, 6522845, 7827414, 11182020, 13045690, 15654828, 19568535, 26091380, 39137070, 78274140]

約数ペア:

[(1, 78274140), (2, 39137070), (3, 26091380), (4, 19568535), (5, 15654828), (6, 13045690), (7, 11182020), (10, 7827414), (12, 6522845), (14, 5591010), (15, 5218276), (20, 3913707), (21, 3727340), (28, 2795505), (30, 2609138), (35, 2236404), (42, 1863670), (60, 1304569), (70, 1118202), (84, 931835), (105, 745468), (140, 559101), (210, 372734), (227, 344820), (420, 186367), (454, 172410), (681, 114940), (821, 95340), (908, 86205), (1135, 68964), (1362, 57470), (1589, 49260), (1642, 47670), (2270, 34482), (2463, 31780), (2724, 28735), (3178, 24630), (3284, 23835), (3405, 22988), (4105, 19068), (4540, 17241), (4767, 16420), (4926, 15890), (5747, 13620), (6356, 12315), (6810, 11494), (7945, 9852), (8210, 9534)]