68744080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^2\times {\mathrm{389}}^1$

素因数の和:496

約数の個数: 60

約数和(自身を含む): 163722780

約数和(自身を除く): 94978700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 389, 470, 752, 778, 940, 1556, 1880, 1945, 2209, 3112, 3760, 3890, 4418, 6224, 7780, 8836, 11045, 15560, 17672, 18283, 22090, 31120, 35344, 36566, 44180, 73132, 88360, 91415, 146264, 176720, 182830, 292528, 365660, 731320, 859301, 1462640, 1718602, 3437204, 4296505, 6874408, 8593010, 13748816, 17186020, 34372040, 68744080]

約数ペア:

[(1, 68744080), (2, 34372040), (4, 17186020), (5, 13748816), (8, 8593010), (10, 6874408), (16, 4296505), (20, 3437204), (40, 1718602), (47, 1462640), (80, 859301), (94, 731320), (188, 365660), (235, 292528), (376, 182830), (389, 176720), (470, 146264), (752, 91415), (778, 88360), (940, 73132), (1556, 44180), (1880, 36566), (1945, 35344), (2209, 31120), (3112, 22090), (3760, 18283), (3890, 17672), (4418, 15560), (6224, 11045), (7780, 8836)]