30974680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 83280960

約数和(自身を除く): 52306280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 85, 88, 101, 110, 136, 164, 170, 187, 202, 205, 220, 328, 340, 374, 404, 410, 440, 451, 505, 680, 697, 748, 808, 820, 902, 935, 1010, 1111, 1394, 1496, 1640, 1717, 1804, 1870, 2020, 2222, 2255, 2788, 3434, 3485, 3608, 3740, 4040, 4141, 4444, 4510, 5555, 5576, 6868, 6970, 7480, 7667, 8282, 8585, 8888, 9020, 11110, 13736, 13940, 15334, 16564, 17170, 18040, 18887, 20705, 22220, 27880, 30668, 33128, 34340, 37774, 38335, 41410, 44440, 45551, 61336, 68680, 70397, 75548, 76670, 82820, 91102, 94435, 140794, 151096, 153340, 165640, 182204, 188870, 227755, 281588, 306680, 351985, 364408, 377740, 455510, 563176, 703970, 755480, 774367, 911020, 1407940, 1548734, 1822040, 2815880, 3097468, 3871835, 6194936, 7743670, 15487340, 30974680]

約数ペア:

[(1, 30974680), (2, 15487340), (4, 7743670), (5, 6194936), (8, 3871835), (10, 3097468), (11, 2815880), (17, 1822040), (20, 1548734), (22, 1407940), (34, 911020), (40, 774367), (41, 755480), (44, 703970), (55, 563176), (68, 455510), (82, 377740), (85, 364408), (88, 351985), (101, 306680), (110, 281588), (136, 227755), (164, 188870), (170, 182204), (187, 165640), (202, 153340), (205, 151096), (220, 140794), (328, 94435), (340, 91102), (374, 82820), (404, 76670), (410, 75548), (440, 70397), (451, 68680), (505, 61336), (680, 45551), (697, 44440), (748, 41410), (808, 38335), (820, 37774), (902, 34340), (935, 33128), (1010, 30668), (1111, 27880), (1394, 22220), (1496, 20705), (1640, 18887), (1717, 18040), (1804, 17170), (1870, 16564), (2020, 15334), (2222, 13940), (2255, 13736), (2788, 11110), (3434, 9020), (3485, 8888), (3608, 8585), (3740, 8282), (4040, 7667), (4141, 7480), (4444, 6970), (4510, 6868), (5555, 5576)]