67900840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 175426560

約数和(自身を除く): 107525720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 863, 1124, 1405, 1726, 1967, 2248, 2810, 3452, 3934, 4315, 5620, 6041, 6904, 7868, 8630, 9835, 11240, 12082, 15736, 17260, 19670, 24164, 30205, 34520, 39340, 48328, 60410, 78680, 120820, 241640, 242503, 485006, 970012, 1212515, 1697521, 1940024, 2425030, 3395042, 4850060, 6790084, 8487605, 9700120, 13580168, 16975210, 33950420, 67900840]

約数ペア:

[(1, 67900840), (2, 33950420), (4, 16975210), (5, 13580168), (7, 9700120), (8, 8487605), (10, 6790084), (14, 4850060), (20, 3395042), (28, 2425030), (35, 1940024), (40, 1697521), (56, 1212515), (70, 970012), (140, 485006), (280, 242503), (281, 241640), (562, 120820), (863, 78680), (1124, 60410), (1405, 48328), (1726, 39340), (1967, 34520), (2248, 30205), (2810, 24164), (3452, 19670), (3934, 17260), (4315, 15736), (5620, 12082), (6041, 11240), (6904, 9835), (7868, 8630)]