68105840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 174069216

約数和(自身を除く): 105963376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 193, 220, 386, 401, 440, 772, 802, 880, 965, 1544, 1604, 1930, 2005, 2123, 3088, 3208, 3860, 4010, 4246, 4411, 6416, 7720, 8020, 8492, 8822, 10615, 15440, 16040, 16984, 17644, 21230, 22055, 32080, 33968, 35288, 42460, 44110, 70576, 77393, 84920, 88220, 154786, 169840, 176440, 309572, 352880, 386965, 619144, 773930, 851323, 1238288, 1547860, 1702646, 3095720, 3405292, 4256615, 6191440, 6810584, 8513230, 13621168, 17026460, 34052920, 68105840]

約数ペア:

[(1, 68105840), (2, 34052920), (4, 17026460), (5, 13621168), (8, 8513230), (10, 6810584), (11, 6191440), (16, 4256615), (20, 3405292), (22, 3095720), (40, 1702646), (44, 1547860), (55, 1238288), (80, 851323), (88, 773930), (110, 619144), (176, 386965), (193, 352880), (220, 309572), (386, 176440), (401, 169840), (440, 154786), (772, 88220), (802, 84920), (880, 77393), (965, 70576), (1544, 44110), (1604, 42460), (1930, 35288), (2005, 33968), (2123, 32080), (3088, 22055), (3208, 21230), (3860, 17644), (4010, 16984), (4246, 16040), (4411, 15440), (6416, 10615), (7720, 8822), (8020, 8492)]