1640447676

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{40433}}^1$

素因数の和:40480

約数の個数: 108

約数和(自身を含む): 5033547792

約数和(自身を除く): 3393100116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 483, 588, 644, 828, 882, 966, 1127, 1449, 1764, 1932, 2254, 2898, 3381, 4508, 5796, 6762, 10143, 13524, 20286, 40433, 40572, 80866, 121299, 161732, 242598, 283031, 363897, 485196, 566062, 727794, 849093, 929959, 1132124, 1455588, 1698186, 1859918, 1981217, 2547279, 2789877, 3396372, 3719836, 3962434, 5094558, 5579754, 5943651, 6509713, 7924868, 8369631, 10189116, 11159508, 11887302, 13019426, 16739262, 17830953, 19529139, 23774604, 26038852, 33478524, 35661906, 39058278, 45567991, 58587417, 71323812, 78116556, 91135982, 117174834, 136703973, 182271964, 234349668, 273407946, 410111919, 546815892, 820223838, 1640447676]

約数ペア:

[(1, 1640447676), (2, 820223838), (3, 546815892), (4, 410111919), (6, 273407946), (7, 234349668), (9, 182271964), (12, 136703973), (14, 117174834), (18, 91135982), (21, 78116556), (23, 71323812), (28, 58587417), (36, 45567991), (42, 39058278), (46, 35661906), (49, 33478524), (63, 26038852), (69, 23774604), (84, 19529139), (92, 17830953), (98, 16739262), (126, 13019426), (138, 11887302), (147, 11159508), (161, 10189116), (196, 8369631), (207, 7924868), (252, 6509713), (276, 5943651), (294, 5579754), (322, 5094558), (414, 3962434), (441, 3719836), (483, 3396372), (588, 2789877), (644, 2547279), (828, 1981217), (882, 1859918), (966, 1698186), (1127, 1455588), (1449, 1132124), (1764, 929959), (1932, 849093), (2254, 727794), (2898, 566062), (3381, 485196), (4508, 363897), (5796, 283031), (6762, 242598), (10143, 161732), (13524, 121299), (20286, 80866), (40433, 40572)]