256886784

素因数分解:

$2^{11}\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 288

約数和(自身を含む): 930121920

約数和(自身を除く): 673235136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 126, 128, 132, 144, 154, 168, 176, 181, 192, 198, 224, 231, 252, 256, 264, 288, 308, 336, 352, 362, 384, 396, 448, 462, 504, 512, 528, 543, 576, 616, 672, 693, 704, 724, 768, 792, 896, 924, 1008, 1024, 1056, 1086, 1152, 1232, 1267, 1344, 1386, 1408, 1448, 1536, 1584, 1629, 1792, 1848, 1991, 2016, 2048, 2112, 2172, 2304, 2464, 2534, 2688, 2772, 2816, 2896, 3072, 3168, 3258, 3584, 3696, 3801, 3982, 4032, 4224, 4344, 4608, 4928, 5068, 5376, 5544, 5632, 5792, 5973, 6144, 6336, 6516, 7168, 7392, 7602, 7964, 8064, 8448, 8688, 9216, 9856, 10136, 10752, 11088, 11264, 11403, 11584, 11946, 12672, 13032, 13937, 14336, 14784, 15204, 15928, 16128, 16896, 17376, 17919, 18432, 19712, 20272, 21504, 22176, 22528, 22806, 23168, 23892, 25344, 26064, 27874, 29568, 30408, 31856, 32256, 33792, 34752, 35838, 39424, 40544, 41811, 43008, 44352, 45612, 46336, 47784, 50688, 52128, 55748, 59136, 60816, 63712, 64512, 67584, 69504, 71676, 78848, 81088, 83622, 88704, 91224, 92672, 95568, 101376, 104256, 111496, 118272, 121632, 125433, 127424, 129024, 139008, 143352, 157696, 162176, 167244, 177408, 182448, 185344, 191136, 202752, 208512, 222992, 236544, 243264, 250866, 254848, 278016, 286704, 324352, 334488, 354816, 364896, 370688, 382272, 417024, 445984, 473088, 486528, 501732, 509696, 556032, 573408, 648704, 668976, 709632, 729792, 764544, 834048, 891968, 973056, 1003464, 1019392, 1112064, 1146816, 1297408, 1337952, 1419264, 1459584, 1529088, 1668096, 1783936, 1946112, 2006928, 2038784, 2293632, 2594816, 2675904, 2919168, 3058176, 3336192, 3567872, 3892224, 4013856, 4077568, 4587264, 5351808, 5838336, 6116352, 7135744, 7784448, 8027712, 9174528, 10703616, 11676672, 12232704, 14271488, 16055424, 18349056, 21407232, 23353344, 28542976, 32110848, 36698112, 42814464, 64221696, 85628928, 128443392, 256886784]

約数ペア:

[(1, 256886784), (2, 128443392), (3, 85628928), (4, 64221696), (6, 42814464), (7, 36698112), (8, 32110848), (9, 28542976), (11, 23353344), (12, 21407232), (14, 18349056), (16, 16055424), (18, 14271488), (21, 12232704), (22, 11676672), (24, 10703616), (28, 9174528), (32, 8027712), (33, 7784448), (36, 7135744), (42, 6116352), (44, 5838336), (48, 5351808), (56, 4587264), (63, 4077568), (64, 4013856), (66, 3892224), (72, 3567872), (77, 3336192), (84, 3058176), (88, 2919168), (96, 2675904), (99, 2594816), (112, 2293632), (126, 2038784), (128, 2006928), (132, 1946112), (144, 1783936), (154, 1668096), (168, 1529088), (176, 1459584), (181, 1419264), (192, 1337952), (198, 1297408), (224, 1146816), (231, 1112064), (252, 1019392), (256, 1003464), (264, 973056), (288, 891968), (308, 834048), (336, 764544), (352, 729792), (362, 709632), (384, 668976), (396, 648704), (448, 573408), (462, 556032), (504, 509696), (512, 501732), (528, 486528), (543, 473088), (576, 445984), (616, 417024), (672, 382272), (693, 370688), (704, 364896), (724, 354816), (768, 334488), (792, 324352), (896, 286704), (924, 278016), (1008, 254848), (1024, 250866), (1056, 243264), (1086, 236544), (1152, 222992), (1232, 208512), (1267, 202752), (1344, 191136), (1386, 185344), (1408, 182448), (1448, 177408), (1536, 167244), (1584, 162176), (1629, 157696), (1792, 143352), (1848, 139008), (1991, 129024), (2016, 127424), (2048, 125433), (2112, 121632), (2172, 118272), (2304, 111496), (2464, 104256), (2534, 101376), (2688, 95568), (2772, 92672), (2816, 91224), (2896, 88704), (3072, 83622), (3168, 81088), (3258, 78848), (3584, 71676), (3696, 69504), (3801, 67584), (3982, 64512), (4032, 63712), (4224, 60816), (4344, 59136), (4608, 55748), (4928, 52128), (5068, 50688), (5376, 47784), (5544, 46336), (5632, 45612), (5792, 44352), (5973, 43008), (6144, 41811), (6336, 40544), (6516, 39424), (7168, 35838), (7392, 34752), (7602, 33792), (7964, 32256), (8064, 31856), (8448, 30408), (8688, 29568), (9216, 27874), (9856, 26064), (10136, 25344), (10752, 23892), (11088, 23168), (11264, 22806), (11403, 22528), (11584, 22176), (11946, 21504), (12672, 20272), (13032, 19712), (13937, 18432), (14336, 17919), (14784, 17376), (15204, 16896), (15928, 16128)]