68136880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{433}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 182113344

約数和(自身を除く): 113976464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 433, 560, 562, 866, 1124, 1405, 1732, 1967, 2165, 2248, 2810, 3031, 3464, 3934, 4330, 4496, 5620, 6062, 6928, 7868, 8660, 9835, 11240, 12124, 15155, 15736, 17320, 19670, 22480, 24248, 30310, 31472, 34640, 39340, 48496, 60620, 78680, 121240, 121673, 157360, 242480, 243346, 486692, 608365, 851711, 973384, 1216730, 1703422, 1946768, 2433460, 3406844, 4258555, 4866920, 6813688, 8517110, 9733840, 13627376, 17034220, 34068440, 68136880]

約数ペア:

[(1, 68136880), (2, 34068440), (4, 17034220), (5, 13627376), (7, 9733840), (8, 8517110), (10, 6813688), (14, 4866920), (16, 4258555), (20, 3406844), (28, 2433460), (35, 1946768), (40, 1703422), (56, 1216730), (70, 973384), (80, 851711), (112, 608365), (140, 486692), (280, 243346), (281, 242480), (433, 157360), (560, 121673), (562, 121240), (866, 78680), (1124, 60620), (1405, 48496), (1732, 39340), (1967, 34640), (2165, 31472), (2248, 30310), (2810, 24248), (3031, 22480), (3464, 19670), (3934, 17320), (4330, 15736), (4496, 15155), (5620, 12124), (6062, 11240), (6928, 9835), (7868, 8660)]