66894320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 166650048

約数和(自身を除く): 99755728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 487, 505, 680, 808, 974, 1010, 1360, 1616, 1717, 1948, 2020, 2435, 3434, 3896, 4040, 4870, 6868, 7792, 8080, 8279, 8585, 9740, 13736, 16558, 17170, 19480, 27472, 33116, 34340, 38960, 41395, 49187, 66232, 68680, 82790, 98374, 132464, 137360, 165580, 196748, 245935, 331160, 393496, 491870, 662320, 786992, 836179, 983740, 1672358, 1967480, 3344716, 3934960, 4180895, 6689432, 8361790, 13378864, 16723580, 33447160, 66894320]

約数ペア:

[(1, 66894320), (2, 33447160), (4, 16723580), (5, 13378864), (8, 8361790), (10, 6689432), (16, 4180895), (17, 3934960), (20, 3344716), (34, 1967480), (40, 1672358), (68, 983740), (80, 836179), (85, 786992), (101, 662320), (136, 491870), (170, 393496), (202, 331160), (272, 245935), (340, 196748), (404, 165580), (487, 137360), (505, 132464), (680, 98374), (808, 82790), (974, 68680), (1010, 66232), (1360, 49187), (1616, 41395), (1717, 38960), (1948, 34340), (2020, 33116), (2435, 27472), (3434, 19480), (3896, 17170), (4040, 16558), (4870, 13736), (6868, 9740), (7792, 8585), (8080, 8279)]