2180996895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:721

約数の個数: 128

約数和(自身を含む): 4634744832

約数和(自身を除く): 2453747937

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 231, 255, 277, 357, 385, 401, 561, 595, 831, 935, 1155, 1203, 1309, 1385, 1785, 1939, 2005, 2805, 2807, 3047, 3927, 4155, 4411, 4709, 5817, 6015, 6545, 6817, 8421, 9141, 9695, 13233, 14035, 14127, 15235, 19635, 20451, 21329, 22055, 23545, 29085, 30877, 32963, 34085, 42105, 45705, 47719, 51799, 63987, 66165, 70635, 74987, 92631, 98889, 102255, 106645, 111077, 143157, 154385, 155397, 164815, 224961, 238595, 258995, 319935, 333231, 362593, 374935, 463155, 494445, 524909, 555385, 715785, 776985, 777539, 1087779, 1124805, 1221847, 1574727, 1666155, 1812965, 1888309, 2332617, 2624545, 3665541, 3887695, 5438895, 5664927, 6109235, 7873635, 8552929, 9441545, 11663085, 13218163, 18327705, 20771399, 25658787, 28324635, 39654489, 42764645, 62314197, 66090815, 103856995, 128293935, 145399793, 198272445, 311570985, 436199379, 726998965, 2180996895]

約数ペア:

[(1, 2180996895), (3, 726998965), (5, 436199379), (7, 311570985), (11, 198272445), (15, 145399793), (17, 128293935), (21, 103856995), (33, 66090815), (35, 62314197), (51, 42764645), (55, 39654489), (77, 28324635), (85, 25658787), (105, 20771399), (119, 18327705), (165, 13218163), (187, 11663085), (231, 9441545), (255, 8552929), (277, 7873635), (357, 6109235), (385, 5664927), (401, 5438895), (561, 3887695), (595, 3665541), (831, 2624545), (935, 2332617), (1155, 1888309), (1203, 1812965), (1309, 1666155), (1385, 1574727), (1785, 1221847), (1939, 1124805), (2005, 1087779), (2805, 777539), (2807, 776985), (3047, 715785), (3927, 555385), (4155, 524909), (4411, 494445), (4709, 463155), (5817, 374935), (6015, 362593), (6545, 333231), (6817, 319935), (8421, 258995), (9141, 238595), (9695, 224961), (13233, 164815), (14035, 155397), (14127, 154385), (15235, 143157), (19635, 111077), (20451, 106645), (21329, 102255), (22055, 98889), (23545, 92631), (29085, 74987), (30877, 70635), (32963, 66165), (34085, 63987), (42105, 51799), (45705, 47719)]