1311380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 96

約数和(自身を含む): 3628800

約数和(自身を除く): 2317420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 29, 34, 35, 38, 58, 68, 70, 76, 85, 95, 116, 119, 133, 140, 145, 170, 190, 203, 238, 266, 290, 323, 340, 380, 406, 476, 493, 532, 551, 580, 595, 646, 665, 812, 986, 1015, 1102, 1190, 1292, 1330, 1615, 1972, 2030, 2204, 2261, 2380, 2465, 2660, 2755, 3230, 3451, 3857, 4060, 4522, 4930, 5510, 6460, 6902, 7714, 9044, 9367, 9860, 11020, 11305, 13804, 15428, 17255, 18734, 19285, 22610, 34510, 37468, 38570, 45220, 46835, 65569, 69020, 77140, 93670, 131138, 187340, 262276, 327845, 655690, 1311380]

約数ペア:

[(1, 1311380), (2, 655690), (4, 327845), (5, 262276), (7, 187340), (10, 131138), (14, 93670), (17, 77140), (19, 69020), (20, 65569), (28, 46835), (29, 45220), (34, 38570), (35, 37468), (38, 34510), (58, 22610), (68, 19285), (70, 18734), (76, 17255), (85, 15428), (95, 13804), (116, 11305), (119, 11020), (133, 9860), (140, 9367), (145, 9044), (170, 7714), (190, 6902), (203, 6460), (238, 5510), (266, 4930), (290, 4522), (323, 4060), (340, 3857), (380, 3451), (406, 3230), (476, 2755), (493, 2660), (532, 2465), (551, 2380), (580, 2261), (595, 2204), (646, 2030), (665, 1972), (812, 1615), (986, 1330), (1015, 1292), (1102, 1190)]