74307680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1607}}^1$

素因数の和:1656

約数の個数: 72

約数和(自身を含む): 186601968

約数和(自身を除く): 112294288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 1607, 2312, 2720, 2890, 3214, 4624, 5780, 6428, 8035, 9248, 11560, 12856, 16070, 23120, 25712, 27319, 32140, 46240, 51424, 54638, 64280, 109276, 128560, 136595, 218552, 257120, 273190, 437104, 464423, 546380, 874208, 928846, 1092760, 1857692, 2185520, 2322115, 3715384, 4371040, 4644230, 7430768, 9288460, 14861536, 18576920, 37153840, 74307680]

約数ペア:

[(1, 74307680), (2, 37153840), (4, 18576920), (5, 14861536), (8, 9288460), (10, 7430768), (16, 4644230), (17, 4371040), (20, 3715384), (32, 2322115), (34, 2185520), (40, 1857692), (68, 1092760), (80, 928846), (85, 874208), (136, 546380), (160, 464423), (170, 437104), (272, 273190), (289, 257120), (340, 218552), (544, 136595), (578, 128560), (680, 109276), (1156, 64280), (1360, 54638), (1445, 51424), (1607, 46240), (2312, 32140), (2720, 27319), (2890, 25712), (3214, 23120), (4624, 16070), (5780, 12856), (6428, 11560), (8035, 9248)]