1278418176

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2617

約数の個数: 216

約数和(自身を含む): 4350155264

約数和(自身を除く): 3071737088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 558, 576, 651, 672, 744, 768, 868, 896, 992, 1008, 1116, 1152, 1302, 1344, 1488, 1736, 1792, 1953, 1984, 2016, 2232, 2304, 2557, 2604, 2688, 2976, 3472, 3906, 3968, 4032, 4464, 5114, 5208, 5376, 5952, 6944, 7671, 7812, 7936, 8064, 8928, 10228, 10416, 11904, 13888, 15342, 15624, 16128, 17856, 17899, 20456, 20832, 23013, 23808, 27776, 30684, 31248, 35712, 35798, 40912, 41664, 46026, 53697, 55552, 61368, 62496, 71424, 71596, 79267, 81824, 83328, 92052, 107394, 122736, 124992, 143192, 158534, 161091, 163648, 166656, 184104, 214788, 237801, 245472, 249984, 286384, 317068, 322182, 327296, 368208, 429576, 475602, 490944, 499968, 554869, 572768, 634136, 644364, 654592, 713403, 736416, 859152, 951204, 981888, 1109738, 1145536, 1268272, 1288728, 1426806, 1472832, 1664607, 1718304, 1902408, 1963776, 2219476, 2291072, 2536544, 2577456, 2853612, 2945664, 3329214, 3436608, 3804816, 4438952, 4582144, 4993821, 5073088, 5154912, 5707224, 5891328, 6658428, 6873216, 7609632, 8877904, 9987642, 10146176, 10309824, 11414448, 13316856, 13746432, 15219264, 17755808, 19975284, 20292352, 20619648, 22828896, 26633712, 30438528, 35511616, 39950568, 41239296, 45657792, 53267424, 60877056, 71023232, 79901136, 91315584, 106534848, 142046464, 159802272, 182631168, 213069696, 319604544, 426139392, 639209088, 1278418176]

約数ペア:

[(1, 1278418176), (2, 639209088), (3, 426139392), (4, 319604544), (6, 213069696), (7, 182631168), (8, 159802272), (9, 142046464), (12, 106534848), (14, 91315584), (16, 79901136), (18, 71023232), (21, 60877056), (24, 53267424), (28, 45657792), (31, 41239296), (32, 39950568), (36, 35511616), (42, 30438528), (48, 26633712), (56, 22828896), (62, 20619648), (63, 20292352), (64, 19975284), (72, 17755808), (84, 15219264), (93, 13746432), (96, 13316856), (112, 11414448), (124, 10309824), (126, 10146176), (128, 9987642), (144, 8877904), (168, 7609632), (186, 6873216), (192, 6658428), (217, 5891328), (224, 5707224), (248, 5154912), (252, 5073088), (256, 4993821), (279, 4582144), (288, 4438952), (336, 3804816), (372, 3436608), (384, 3329214), (434, 2945664), (448, 2853612), (496, 2577456), (504, 2536544), (558, 2291072), (576, 2219476), (651, 1963776), (672, 1902408), (744, 1718304), (768, 1664607), (868, 1472832), (896, 1426806), (992, 1288728), (1008, 1268272), (1116, 1145536), (1152, 1109738), (1302, 981888), (1344, 951204), (1488, 859152), (1736, 736416), (1792, 713403), (1953, 654592), (1984, 644364), (2016, 634136), (2232, 572768), (2304, 554869), (2557, 499968), (2604, 490944), (2688, 475602), (2976, 429576), (3472, 368208), (3906, 327296), (3968, 322182), (4032, 317068), (4464, 286384), (5114, 249984), (5208, 245472), (5376, 237801), (5952, 214788), (6944, 184104), (7671, 166656), (7812, 163648), (7936, 161091), (8064, 158534), (8928, 143192), (10228, 124992), (10416, 122736), (11904, 107394), (13888, 92052), (15342, 83328), (15624, 81824), (16128, 79267), (17856, 71596), (17899, 71424), (20456, 62496), (20832, 61368), (23013, 55552), (23808, 53697), (27776, 46026), (30684, 41664), (31248, 40912), (35712, 35798)]