31128020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 192

約数和(自身を含む): 91445760

約数和(自身を除く): 60317740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 29, 34, 35, 41, 44, 55, 58, 68, 70, 77, 82, 85, 110, 116, 119, 140, 145, 154, 164, 170, 187, 203, 205, 220, 238, 287, 290, 308, 319, 340, 374, 385, 406, 410, 451, 476, 493, 574, 580, 595, 638, 697, 748, 770, 812, 820, 902, 935, 986, 1015, 1148, 1189, 1190, 1276, 1309, 1394, 1435, 1540, 1595, 1804, 1870, 1972, 2030, 2233, 2255, 2378, 2380, 2465, 2618, 2788, 2870, 3157, 3190, 3451, 3485, 3740, 4060, 4466, 4510, 4756, 4879, 4930, 5236, 5423, 5740, 5945, 6314, 6380, 6545, 6902, 6970, 7667, 8323, 8932, 9020, 9758, 9860, 10846, 11165, 11890, 12628, 13079, 13090, 13804, 13940, 15334, 15785, 16646, 17255, 19516, 20213, 21692, 22330, 23780, 24395, 26158, 26180, 27115, 30668, 31570, 33292, 34510, 37961, 38335, 40426, 41615, 44660, 48790, 52316, 53669, 54230, 63140, 65395, 69020, 75922, 76670, 80852, 83230, 91553, 97580, 101065, 107338, 108460, 130790, 141491, 151844, 153340, 166460, 183106, 189805, 202130, 214676, 222343, 261580, 268345, 282982, 366212, 379610, 404260, 444686, 457765, 536690, 565964, 707455, 759220, 889372, 915530, 1073380, 1111715, 1414910, 1556401, 1831060, 2223430, 2829820, 3112802, 4446860, 6225604, 7782005, 15564010, 31128020]

約数ペア:

[(1, 31128020), (2, 15564010), (4, 7782005), (5, 6225604), (7, 4446860), (10, 3112802), (11, 2829820), (14, 2223430), (17, 1831060), (20, 1556401), (22, 1414910), (28, 1111715), (29, 1073380), (34, 915530), (35, 889372), (41, 759220), (44, 707455), (55, 565964), (58, 536690), (68, 457765), (70, 444686), (77, 404260), (82, 379610), (85, 366212), (110, 282982), (116, 268345), (119, 261580), (140, 222343), (145, 214676), (154, 202130), (164, 189805), (170, 183106), (187, 166460), (203, 153340), (205, 151844), (220, 141491), (238, 130790), (287, 108460), (290, 107338), (308, 101065), (319, 97580), (340, 91553), (374, 83230), (385, 80852), (406, 76670), (410, 75922), (451, 69020), (476, 65395), (493, 63140), (574, 54230), (580, 53669), (595, 52316), (638, 48790), (697, 44660), (748, 41615), (770, 40426), (812, 38335), (820, 37961), (902, 34510), (935, 33292), (986, 31570), (1015, 30668), (1148, 27115), (1189, 26180), (1190, 26158), (1276, 24395), (1309, 23780), (1394, 22330), (1435, 21692), (1540, 20213), (1595, 19516), (1804, 17255), (1870, 16646), (1972, 15785), (2030, 15334), (2233, 13940), (2255, 13804), (2378, 13090), (2380, 13079), (2465, 12628), (2618, 11890), (2788, 11165), (2870, 10846), (3157, 9860), (3190, 9758), (3451, 9020), (3485, 8932), (3740, 8323), (4060, 7667), (4466, 6970), (4510, 6902), (4756, 6545), (4879, 6380), (4930, 6314), (5236, 5945), (5423, 5740)]