256766664

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:920

約数の個数: 192

約数和(自身を含む): 851005440

約数和(自身を除く): 594238776

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 23, 24, 28, 33, 42, 44, 46, 49, 56, 66, 69, 77, 84, 88, 92, 98, 132, 138, 147, 154, 161, 168, 184, 196, 231, 253, 264, 276, 294, 308, 322, 392, 462, 483, 506, 539, 552, 588, 616, 644, 759, 863, 924, 966, 1012, 1078, 1127, 1176, 1288, 1518, 1617, 1726, 1771, 1848, 1932, 2024, 2156, 2254, 2589, 3036, 3234, 3381, 3452, 3542, 3864, 4312, 4508, 5178, 5313, 6041, 6072, 6468, 6762, 6904, 7084, 9016, 9493, 10356, 10626, 12082, 12397, 12936, 13524, 14168, 18123, 18986, 19849, 20712, 21252, 24164, 24794, 27048, 28479, 36246, 37191, 37972, 39698, 42287, 42504, 48328, 49588, 56958, 59547, 66451, 72492, 74382, 75944, 79396, 84574, 99176, 113916, 119094, 126861, 132902, 138943, 144984, 148764, 158792, 169148, 199353, 218339, 227832, 238188, 253722, 265804, 277886, 297528, 338296, 398706, 416829, 436678, 465157, 476376, 507444, 531608, 555772, 655017, 797412, 833658, 873356, 930314, 972601, 1014888, 1111544, 1310034, 1395471, 1528373, 1594824, 1667316, 1746712, 1860628, 1945202, 2620068, 2790942, 2917803, 3056746, 3334632, 3721256, 3890404, 4585119, 5240136, 5581884, 5835606, 6113492, 7780808, 9170238, 10698611, 11163768, 11671212, 12226984, 18340476, 21397222, 23342424, 32095833, 36680952, 42794444, 64191666, 85588888, 128383332, 256766664]

約数ペア:

[(1, 256766664), (2, 128383332), (3, 85588888), (4, 64191666), (6, 42794444), (7, 36680952), (8, 32095833), (11, 23342424), (12, 21397222), (14, 18340476), (21, 12226984), (22, 11671212), (23, 11163768), (24, 10698611), (28, 9170238), (33, 7780808), (42, 6113492), (44, 5835606), (46, 5581884), (49, 5240136), (56, 4585119), (66, 3890404), (69, 3721256), (77, 3334632), (84, 3056746), (88, 2917803), (92, 2790942), (98, 2620068), (132, 1945202), (138, 1860628), (147, 1746712), (154, 1667316), (161, 1594824), (168, 1528373), (184, 1395471), (196, 1310034), (231, 1111544), (253, 1014888), (264, 972601), (276, 930314), (294, 873356), (308, 833658), (322, 797412), (392, 655017), (462, 555772), (483, 531608), (506, 507444), (539, 476376), (552, 465157), (588, 436678), (616, 416829), (644, 398706), (759, 338296), (863, 297528), (924, 277886), (966, 265804), (1012, 253722), (1078, 238188), (1127, 227832), (1176, 218339), (1288, 199353), (1518, 169148), (1617, 158792), (1726, 148764), (1771, 144984), (1848, 138943), (1932, 132902), (2024, 126861), (2156, 119094), (2254, 113916), (2589, 99176), (3036, 84574), (3234, 79396), (3381, 75944), (3452, 74382), (3542, 72492), (3864, 66451), (4312, 59547), (4508, 56958), (5178, 49588), (5313, 48328), (6041, 42504), (6072, 42287), (6468, 39698), (6762, 37972), (6904, 37191), (7084, 36246), (9016, 28479), (9493, 27048), (10356, 24794), (10626, 24164), (12082, 21252), (12397, 20712), (12936, 19849), (13524, 18986), (14168, 18123)]