306680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 64

約数和(自身を含む): 816480

約数和(自身を除く): 509800

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 85, 88, 110, 136, 164, 170, 187, 205, 220, 328, 340, 374, 410, 440, 451, 680, 697, 748, 820, 902, 935, 1394, 1496, 1640, 1804, 1870, 2255, 2788, 3485, 3608, 3740, 4510, 5576, 6970, 7480, 7667, 9020, 13940, 15334, 18040, 27880, 30668, 38335, 61336, 76670, 153340, 306680]

約数ペア:

[(1, 306680), (2, 153340), (4, 76670), (5, 61336), (8, 38335), (10, 30668), (11, 27880), (17, 18040), (20, 15334), (22, 13940), (34, 9020), (40, 7667), (41, 7480), (44, 6970), (55, 5576), (68, 4510), (82, 3740), (85, 3608), (88, 3485), (110, 2788), (136, 2255), (164, 1870), (170, 1804), (187, 1640), (205, 1496), (220, 1394), (328, 935), (340, 902), (374, 820), (410, 748), (440, 697), (451, 680)]