1661519480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{10957}}^1$

素因数の和:11208

約数の個数: 64

約数和(自身を含む): 3976439040

約数和(自身を除く): 2314919560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 223, 340, 446, 680, 892, 1115, 1784, 2230, 3791, 4460, 7582, 8920, 10957, 15164, 18955, 21914, 30328, 37910, 43828, 54785, 75820, 87656, 109570, 151640, 186269, 219140, 372538, 438280, 745076, 931345, 1490152, 1862690, 2443411, 3725380, 4886822, 7450760, 9773644, 12217055, 19547288, 24434110, 41537987, 48868220, 83075974, 97736440, 166151948, 207689935, 332303896, 415379870, 830759740, 1661519480]

約数ペア:

[(1, 1661519480), (2, 830759740), (4, 415379870), (5, 332303896), (8, 207689935), (10, 166151948), (17, 97736440), (20, 83075974), (34, 48868220), (40, 41537987), (68, 24434110), (85, 19547288), (136, 12217055), (170, 9773644), (223, 7450760), (340, 4886822), (446, 3725380), (680, 2443411), (892, 1862690), (1115, 1490152), (1784, 931345), (2230, 745076), (3791, 438280), (4460, 372538), (7582, 219140), (8920, 186269), (10957, 151640), (15164, 109570), (18955, 87656), (21914, 75820), (30328, 54785), (37910, 43828)]