68796560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2920

約数の個数: 80

約数和(自身を含む): 187118976

約数和(自身を除く): 118322416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 2857, 3010, 3440, 4816, 5714, 6020, 11428, 12040, 14285, 19999, 22856, 24080, 28570, 39998, 45712, 57140, 79996, 99995, 114280, 122851, 159992, 199990, 228560, 245702, 319984, 399980, 491404, 614255, 799960, 859957, 982808, 1228510, 1599920, 1719914, 1965616, 2457020, 3439828, 4299785, 4914040, 6879656, 8599570, 9828080, 13759312, 17199140, 34398280, 68796560]

約数ペア:

[(1, 68796560), (2, 34398280), (4, 17199140), (5, 13759312), (7, 9828080), (8, 8599570), (10, 6879656), (14, 4914040), (16, 4299785), (20, 3439828), (28, 2457020), (35, 1965616), (40, 1719914), (43, 1599920), (56, 1228510), (70, 982808), (80, 859957), (86, 799960), (112, 614255), (140, 491404), (172, 399980), (215, 319984), (280, 245702), (301, 228560), (344, 199990), (430, 159992), (560, 122851), (602, 114280), (688, 99995), (860, 79996), (1204, 57140), (1505, 45712), (1720, 39998), (2408, 28570), (2857, 24080), (3010, 22856), (3440, 19999), (4816, 14285), (5714, 12040), (6020, 11428)]