263179840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{971}}^1$

素因数の和:1017

約数の個数: 168

約数和(自身を含む): 788066496

約数和(自身を除く): 524886656

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 320, 352, 385, 440, 448, 484, 560, 605, 616, 704, 770, 847, 880, 968, 971, 1120, 1210, 1232, 1540, 1694, 1760, 1936, 1942, 2240, 2420, 2464, 3080, 3388, 3520, 3872, 3884, 4235, 4840, 4855, 4928, 6160, 6776, 6797, 7744, 7768, 8470, 9680, 9710, 10681, 12320, 13552, 13594, 15536, 16940, 19360, 19420, 21362, 24640, 27104, 27188, 31072, 33880, 33985, 38720, 38840, 42724, 53405, 54208, 54376, 62144, 67760, 67970, 74767, 77680, 85448, 106810, 108752, 117491, 135520, 135940, 149534, 155360, 170896, 213620, 217504, 234982, 271040, 271880, 299068, 310720, 341792, 373835, 427240, 435008, 469964, 543760, 587455, 598136, 683584, 747670, 822437, 854480, 939928, 1087520, 1174910, 1196272, 1495340, 1644874, 1708960, 1879856, 2175040, 2349820, 2392544, 2990680, 3289748, 3417920, 3759712, 4112185, 4699640, 4785088, 5981360, 6579496, 7519424, 8224370, 9399280, 11962720, 13158992, 16448740, 18798560, 23925440, 26317984, 32897480, 37597120, 52635968, 65794960, 131589920, 263179840]

約数ペア:

[(1, 263179840), (2, 131589920), (4, 65794960), (5, 52635968), (7, 37597120), (8, 32897480), (10, 26317984), (11, 23925440), (14, 18798560), (16, 16448740), (20, 13158992), (22, 11962720), (28, 9399280), (32, 8224370), (35, 7519424), (40, 6579496), (44, 5981360), (55, 4785088), (56, 4699640), (64, 4112185), (70, 3759712), (77, 3417920), (80, 3289748), (88, 2990680), (110, 2392544), (112, 2349820), (121, 2175040), (140, 1879856), (154, 1708960), (160, 1644874), (176, 1495340), (220, 1196272), (224, 1174910), (242, 1087520), (280, 939928), (308, 854480), (320, 822437), (352, 747670), (385, 683584), (440, 598136), (448, 587455), (484, 543760), (560, 469964), (605, 435008), (616, 427240), (704, 373835), (770, 341792), (847, 310720), (880, 299068), (968, 271880), (971, 271040), (1120, 234982), (1210, 217504), (1232, 213620), (1540, 170896), (1694, 155360), (1760, 149534), (1936, 135940), (1942, 135520), (2240, 117491), (2420, 108752), (2464, 106810), (3080, 85448), (3388, 77680), (3520, 74767), (3872, 67970), (3884, 67760), (4235, 62144), (4840, 54376), (4855, 54208), (4928, 53405), (6160, 42724), (6776, 38840), (6797, 38720), (7744, 33985), (7768, 33880), (8470, 31072), (9680, 27188), (9710, 27104), (10681, 24640), (12320, 21362), (13552, 19420), (13594, 19360), (15536, 16940)]