68124560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 182131200

約数和(自身を除く): 114006640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 509, 560, 956, 1018, 1195, 1673, 1912, 2036, 2390, 2545, 3346, 3563, 3824, 4072, 4780, 5090, 6692, 7126, 8144, 8365, 9560, 10180, 13384, 14252, 16730, 17815, 19120, 20360, 26768, 28504, 33460, 35630, 40720, 57008, 66920, 71260, 121651, 133840, 142520, 243302, 285040, 486604, 608255, 851557, 973208, 1216510, 1703114, 1946416, 2433020, 3406228, 4257785, 4866040, 6812456, 8515570, 9732080, 13624912, 17031140, 34062280, 68124560]

約数ペア:

[(1, 68124560), (2, 34062280), (4, 17031140), (5, 13624912), (7, 9732080), (8, 8515570), (10, 6812456), (14, 4866040), (16, 4257785), (20, 3406228), (28, 2433020), (35, 1946416), (40, 1703114), (56, 1216510), (70, 973208), (80, 851557), (112, 608255), (140, 486604), (239, 285040), (280, 243302), (478, 142520), (509, 133840), (560, 121651), (956, 71260), (1018, 66920), (1195, 57008), (1673, 40720), (1912, 35630), (2036, 33460), (2390, 28504), (2545, 26768), (3346, 20360), (3563, 19120), (3824, 17815), (4072, 16730), (4780, 14252), (5090, 13384), (6692, 10180), (7126, 9560), (8144, 8365)]