63913880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 153368640

約数和(自身を除く): 89454760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 340, 386, 487, 680, 772, 965, 974, 1544, 1930, 1948, 2435, 3281, 3860, 3896, 4870, 6562, 7720, 8279, 9740, 13124, 16405, 16558, 19480, 26248, 32810, 33116, 41395, 65620, 66232, 82790, 93991, 131240, 165580, 187982, 331160, 375964, 469955, 751928, 939910, 1597847, 1879820, 3195694, 3759640, 6391388, 7989235, 12782776, 15978470, 31956940, 63913880]

約数ペア:

[(1, 63913880), (2, 31956940), (4, 15978470), (5, 12782776), (8, 7989235), (10, 6391388), (17, 3759640), (20, 3195694), (34, 1879820), (40, 1597847), (68, 939910), (85, 751928), (136, 469955), (170, 375964), (193, 331160), (340, 187982), (386, 165580), (487, 131240), (680, 93991), (772, 82790), (965, 66232), (974, 65620), (1544, 41395), (1930, 33116), (1948, 32810), (2435, 26248), (3281, 19480), (3860, 16558), (3896, 16405), (4870, 13124), (6562, 9740), (7720, 8279)]