256481280

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 432

約数和(自身を含む): 1019556720

約数和(自身を除く): 763075440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 30, 32, 33, 36, 40, 44, 45, 46, 48, 55, 60, 64, 66, 69, 72, 80, 88, 90, 92, 96, 99, 110, 115, 120, 121, 128, 132, 138, 144, 160, 165, 176, 180, 184, 192, 198, 207, 220, 230, 240, 242, 253, 256, 264, 276, 288, 320, 330, 345, 352, 360, 363, 368, 384, 396, 414, 440, 460, 480, 484, 495, 506, 512, 528, 552, 576, 605, 640, 660, 690, 704, 720, 726, 736, 759, 768, 792, 828, 880, 920, 960, 968, 990, 1012, 1024, 1035, 1056, 1089, 1104, 1152, 1210, 1265, 1280, 1320, 1380, 1408, 1440, 1452, 1472, 1518, 1536, 1584, 1656, 1760, 1815, 1840, 1920, 1936, 1980, 2024, 2048, 2070, 2112, 2178, 2208, 2277, 2304, 2420, 2530, 2560, 2640, 2760, 2783, 2816, 2880, 2904, 2944, 3036, 3072, 3168, 3312, 3520, 3630, 3680, 3795, 3840, 3872, 3960, 4048, 4140, 4224, 4356, 4416, 4554, 4608, 4840, 5060, 5120, 5280, 5445, 5520, 5566, 5632, 5760, 5808, 5888, 6072, 6144, 6336, 6624, 7040, 7260, 7360, 7590, 7680, 7744, 7920, 8096, 8280, 8349, 8448, 8712, 8832, 9108, 9216, 9680, 10120, 10240, 10560, 10890, 11040, 11132, 11264, 11385, 11520, 11616, 11776, 12144, 12672, 13248, 13915, 14080, 14520, 14720, 15180, 15360, 15488, 15840, 16192, 16560, 16698, 16896, 17424, 17664, 18216, 18432, 19360, 20240, 21120, 21780, 22080, 22264, 22528, 22770, 23040, 23232, 23552, 24288, 25047, 25344, 26496, 27830, 28160, 29040, 29440, 30360, 30720, 30976, 31680, 32384, 33120, 33396, 33792, 34848, 35328, 36432, 38720, 40480, 41745, 42240, 43560, 44160, 44528, 45540, 46080, 46464, 47104, 48576, 50094, 50688, 52992, 55660, 56320, 58080, 58880, 60720, 61952, 63360, 64768, 66240, 66792, 67584, 69696, 70656, 72864, 77440, 80960, 83490, 84480, 87120, 88320, 89056, 91080, 92160, 92928, 97152, 100188, 101376, 105984, 111320, 112640, 116160, 117760, 121440, 123904, 125235, 126720, 129536, 132480, 133584, 139392, 141312, 145728, 154880, 161920, 166980, 168960, 174240, 176640, 178112, 182160, 185856, 194304, 200376, 202752, 211968, 222640, 232320, 235520, 242880, 247808, 250470, 253440, 259072, 264960, 267168, 278784, 291456, 309760, 323840, 333960, 337920, 348480, 353280, 356224, 364320, 371712, 388608, 400752, 423936, 445280, 464640, 485760, 500940, 506880, 518144, 529920, 534336, 557568, 582912, 619520, 647680, 667920, 696960, 706560, 712448, 728640, 743424, 777216, 801504, 890560, 929280, 971520, 1001880, 1013760, 1059840, 1068672, 1115136, 1165824, 1239040, 1295360, 1335840, 1393920, 1424896, 1457280, 1554432, 1603008, 1781120, 1858560, 1943040, 2003760, 2119680, 2137344, 2230272, 2331648, 2590720, 2671680, 2787840, 2849792, 2914560, 3206016, 3562240, 3717120, 3886080, 4007520, 4274688, 4663296, 5343360, 5575680, 5699584, 5829120, 6412032, 7124480, 7772160, 8015040, 8549376, 10686720, 11151360, 11658240, 12824064, 14248960, 16030080, 17098752, 21373440, 23316480, 25648128, 28497920, 32060160, 42746880, 51296256, 64120320, 85493760, 128240640, 256481280]

約数ペア:

[(1, 256481280), (2, 128240640), (3, 85493760), (4, 64120320), (5, 51296256), (6, 42746880), (8, 32060160), (9, 28497920), (10, 25648128), (11, 23316480), (12, 21373440), (15, 17098752), (16, 16030080), (18, 14248960), (20, 12824064), (22, 11658240), (23, 11151360), (24, 10686720), (30, 8549376), (32, 8015040), (33, 7772160), (36, 7124480), (40, 6412032), (44, 5829120), (45, 5699584), (46, 5575680), (48, 5343360), (55, 4663296), (60, 4274688), (64, 4007520), (66, 3886080), (69, 3717120), (72, 3562240), (80, 3206016), (88, 2914560), (90, 2849792), (92, 2787840), (96, 2671680), (99, 2590720), (110, 2331648), (115, 2230272), (120, 2137344), (121, 2119680), (128, 2003760), (132, 1943040), (138, 1858560), (144, 1781120), (160, 1603008), (165, 1554432), (176, 1457280), (180, 1424896), (184, 1393920), (192, 1335840), (198, 1295360), (207, 1239040), (220, 1165824), (230, 1115136), (240, 1068672), (242, 1059840), (253, 1013760), (256, 1001880), (264, 971520), (276, 929280), (288, 890560), (320, 801504), (330, 777216), (345, 743424), (352, 728640), (360, 712448), (363, 706560), (368, 696960), (384, 667920), (396, 647680), (414, 619520), (440, 582912), (460, 557568), (480, 534336), (484, 529920), (495, 518144), (506, 506880), (512, 500940), (528, 485760), (552, 464640), (576, 445280), (605, 423936), (640, 400752), (660, 388608), (690, 371712), (704, 364320), (720, 356224), (726, 353280), (736, 348480), (759, 337920), (768, 333960), (792, 323840), (828, 309760), (880, 291456), (920, 278784), (960, 267168), (968, 264960), (990, 259072), (1012, 253440), (1024, 250470), (1035, 247808), (1056, 242880), (1089, 235520), (1104, 232320), (1152, 222640), (1210, 211968), (1265, 202752), (1280, 200376), (1320, 194304), (1380, 185856), (1408, 182160), (1440, 178112), (1452, 176640), (1472, 174240), (1518, 168960), (1536, 166980), (1584, 161920), (1656, 154880), (1760, 145728), (1815, 141312), (1840, 139392), (1920, 133584), (1936, 132480), (1980, 129536), (2024, 126720), (2048, 125235), (2070, 123904), (2112, 121440), (2178, 117760), (2208, 116160), (2277, 112640), (2304, 111320), (2420, 105984), (2530, 101376), (2560, 100188), (2640, 97152), (2760, 92928), (2783, 92160), (2816, 91080), (2880, 89056), (2904, 88320), (2944, 87120), (3036, 84480), (3072, 83490), (3168, 80960), (3312, 77440), (3520, 72864), (3630, 70656), (3680, 69696), (3795, 67584), (3840, 66792), (3872, 66240), (3960, 64768), (4048, 63360), (4140, 61952), (4224, 60720), (4356, 58880), (4416, 58080), (4554, 56320), (4608, 55660), (4840, 52992), (5060, 50688), (5120, 50094), (5280, 48576), (5445, 47104), (5520, 46464), (5566, 46080), (5632, 45540), (5760, 44528), (5808, 44160), (5888, 43560), (6072, 42240), (6144, 41745), (6336, 40480), (6624, 38720), (7040, 36432), (7260, 35328), (7360, 34848), (7590, 33792), (7680, 33396), (7744, 33120), (7920, 32384), (8096, 31680), (8280, 30976), (8349, 30720), (8448, 30360), (8712, 29440), (8832, 29040), (9108, 28160), (9216, 27830), (9680, 26496), (10120, 25344), (10240, 25047), (10560, 24288), (10890, 23552), (11040, 23232), (11132, 23040), (11264, 22770), (11385, 22528), (11520, 22264), (11616, 22080), (11776, 21780), (12144, 21120), (12672, 20240), (13248, 19360), (13915, 18432), (14080, 18216), (14520, 17664), (14720, 17424), (15180, 16896), (15360, 16698), (15488, 16560), (15840, 16192)]