1557777340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8923}}^1$

素因数の和:9011

約数の個数: 96

約数和(自身を含む): 3957972480

約数和(自身を除く): 2400195140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 43, 58, 70, 86, 116, 140, 145, 172, 203, 215, 290, 301, 406, 430, 580, 602, 812, 860, 1015, 1204, 1247, 1505, 2030, 2494, 3010, 4060, 4988, 6020, 6235, 8729, 8923, 12470, 17458, 17846, 24940, 34916, 35692, 43645, 44615, 62461, 87290, 89230, 124922, 174580, 178460, 249844, 258767, 312305, 383689, 517534, 624610, 767378, 1035068, 1249220, 1293835, 1534756, 1811369, 1918445, 2587670, 2685823, 3622738, 3836890, 5175340, 5371646, 7245476, 7673780, 9056845, 10743292, 11126981, 13429115, 18113690, 22253962, 26858230, 36227380, 44507924, 53716460, 55634905, 77888867, 111269810, 155777734, 222539620, 311555468, 389444335, 778888670, 1557777340]

約数ペア:

[(1, 1557777340), (2, 778888670), (4, 389444335), (5, 311555468), (7, 222539620), (10, 155777734), (14, 111269810), (20, 77888867), (28, 55634905), (29, 53716460), (35, 44507924), (43, 36227380), (58, 26858230), (70, 22253962), (86, 18113690), (116, 13429115), (140, 11126981), (145, 10743292), (172, 9056845), (203, 7673780), (215, 7245476), (290, 5371646), (301, 5175340), (406, 3836890), (430, 3622738), (580, 2685823), (602, 2587670), (812, 1918445), (860, 1811369), (1015, 1534756), (1204, 1293835), (1247, 1249220), (1505, 1035068), (2030, 767378), (2494, 624610), (3010, 517534), (4060, 383689), (4988, 312305), (6020, 258767), (6235, 249844), (8729, 178460), (8923, 174580), (12470, 124922), (17458, 89230), (17846, 87290), (24940, 62461), (34916, 44615), (35692, 43645)]