2780453060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6971}}^1$

素因数の和:7042

約数の個数: 144

約数和(自身を含む): 7611081408

約数和(自身を除く): 4830628348

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 49, 55, 70, 74, 77, 98, 110, 140, 148, 154, 185, 196, 220, 245, 259, 308, 370, 385, 407, 490, 518, 539, 740, 770, 814, 980, 1036, 1078, 1295, 1540, 1628, 1813, 2035, 2156, 2590, 2695, 2849, 3626, 4070, 5180, 5390, 5698, 6971, 7252, 8140, 9065, 10780, 11396, 13942, 14245, 18130, 19943, 27884, 28490, 34855, 36260, 39886, 48797, 56980, 69710, 76681, 79772, 97594, 99715, 139420, 153362, 195188, 199430, 243985, 257927, 306724, 341579, 383405, 398860, 487970, 515854, 536767, 683158, 766810, 975940, 1031708, 1073534, 1289635, 1366316, 1533620, 1707895, 1805489, 2147068, 2579270, 2683835, 2837197, 3415790, 3610978, 3757369, 5158540, 5367670, 5674394, 6831580, 7221956, 7514738, 9027445, 10735340, 11348788, 12638423, 14185985, 15029476, 18054890, 18786845, 19860379, 25276846, 28371970, 36109780, 37573690, 39720758, 50553692, 56743940, 63192115, 75147380, 79441516, 99301895, 126384230, 139022653, 198603790, 252768460, 278045306, 397207580, 556090612, 695113265, 1390226530, 2780453060]

約数ペア:

[(1, 2780453060), (2, 1390226530), (4, 695113265), (5, 556090612), (7, 397207580), (10, 278045306), (11, 252768460), (14, 198603790), (20, 139022653), (22, 126384230), (28, 99301895), (35, 79441516), (37, 75147380), (44, 63192115), (49, 56743940), (55, 50553692), (70, 39720758), (74, 37573690), (77, 36109780), (98, 28371970), (110, 25276846), (140, 19860379), (148, 18786845), (154, 18054890), (185, 15029476), (196, 14185985), (220, 12638423), (245, 11348788), (259, 10735340), (308, 9027445), (370, 7514738), (385, 7221956), (407, 6831580), (490, 5674394), (518, 5367670), (539, 5158540), (740, 3757369), (770, 3610978), (814, 3415790), (980, 2837197), (1036, 2683835), (1078, 2579270), (1295, 2147068), (1540, 1805489), (1628, 1707895), (1813, 1533620), (2035, 1366316), (2156, 1289635), (2590, 1073534), (2695, 1031708), (2849, 975940), (3626, 766810), (4070, 683158), (5180, 536767), (5390, 515854), (5698, 487970), (6971, 398860), (7252, 383405), (8140, 341579), (9065, 306724), (10780, 257927), (11396, 243985), (13942, 199430), (14245, 195188), (18130, 153362), (19943, 139420), (27884, 99715), (28490, 97594), (34855, 79772), (36260, 76681), (39886, 69710), (48797, 56980)]