67898680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3280

約数の個数: 64

約数和(自身を含む): 167028480

約数和(自身を除く): 99129800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 3221, 4216, 5270, 6442, 10540, 12884, 16105, 21080, 25768, 32210, 54757, 64420, 99851, 109514, 128840, 199702, 219028, 273785, 399404, 438056, 499255, 547570, 798808, 998510, 1095140, 1697467, 1997020, 2190280, 3394934, 3994040, 6789868, 8487335, 13579736, 16974670, 33949340, 67898680]

約数ペア:

[(1, 67898680), (2, 33949340), (4, 16974670), (5, 13579736), (8, 8487335), (10, 6789868), (17, 3994040), (20, 3394934), (31, 2190280), (34, 1997020), (40, 1697467), (62, 1095140), (68, 998510), (85, 798808), (124, 547570), (136, 499255), (155, 438056), (170, 399404), (248, 273785), (310, 219028), (340, 199702), (527, 128840), (620, 109514), (680, 99851), (1054, 64420), (1240, 54757), (2108, 32210), (2635, 25768), (3221, 21080), (4216, 16105), (5270, 12884), (6442, 10540)]