1680495964

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1451}}^1$

素因数の和:1799

約数の個数: 72

約数和(自身を含む): 3615131520

約数和(自身を除く): 1934635556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 311, 532, 622, 931, 1244, 1451, 1862, 2177, 2902, 3724, 4354, 5804, 5909, 8708, 10157, 11818, 15239, 20314, 23636, 27569, 30478, 40628, 41363, 55138, 60956, 71099, 82726, 110276, 142198, 165452, 192983, 284396, 289541, 385966, 451261, 579082, 771932, 902522, 1158164, 1350881, 1805044, 2701762, 3158827, 5403524, 6317654, 8573959, 12635308, 17147918, 22111789, 34295836, 44223578, 60017713, 88447156, 120035426, 240070852, 420123991, 840247982, 1680495964]

約数ペア:

[(1, 1680495964), (2, 840247982), (4, 420123991), (7, 240070852), (14, 120035426), (19, 88447156), (28, 60017713), (38, 44223578), (49, 34295836), (76, 22111789), (98, 17147918), (133, 12635308), (196, 8573959), (266, 6317654), (311, 5403524), (532, 3158827), (622, 2701762), (931, 1805044), (1244, 1350881), (1451, 1158164), (1862, 902522), (2177, 771932), (2902, 579082), (3724, 451261), (4354, 385966), (5804, 289541), (5909, 284396), (8708, 192983), (10157, 165452), (11818, 142198), (15239, 110276), (20314, 82726), (23636, 71099), (27569, 60956), (30478, 55138), (40628, 41363)]