257187840

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 448

約数和(自身を含む): 1056900096

約数和(自身を除く): 799712256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 23, 24, 26, 28, 30, 32, 35, 39, 40, 42, 46, 48, 52, 56, 60, 64, 65, 69, 70, 78, 80, 84, 91, 92, 96, 104, 105, 112, 115, 120, 128, 130, 138, 140, 156, 160, 161, 168, 182, 184, 192, 195, 208, 210, 224, 230, 240, 256, 260, 273, 276, 280, 299, 312, 320, 322, 336, 345, 364, 368, 384, 390, 416, 420, 448, 455, 460, 480, 483, 512, 520, 546, 552, 560, 598, 624, 640, 644, 672, 690, 728, 736, 768, 780, 805, 832, 840, 896, 897, 910, 920, 960, 966, 1024, 1040, 1092, 1104, 1120, 1196, 1248, 1280, 1288, 1344, 1365, 1380, 1456, 1472, 1495, 1536, 1560, 1610, 1664, 1680, 1792, 1794, 1820, 1840, 1920, 1932, 2048, 2080, 2093, 2184, 2208, 2240, 2392, 2415, 2496, 2560, 2576, 2688, 2730, 2760, 2912, 2944, 2990, 3072, 3120, 3220, 3328, 3360, 3584, 3588, 3640, 3680, 3840, 3864, 4096, 4160, 4186, 4368, 4416, 4480, 4485, 4784, 4830, 4992, 5120, 5152, 5376, 5460, 5520, 5824, 5888, 5980, 6144, 6240, 6279, 6440, 6656, 6720, 7168, 7176, 7280, 7360, 7680, 7728, 8192, 8320, 8372, 8736, 8832, 8960, 8970, 9568, 9660, 9984, 10240, 10304, 10465, 10752, 10920, 11040, 11648, 11776, 11960, 12288, 12480, 12558, 12880, 13312, 13440, 14336, 14352, 14560, 14720, 15360, 15456, 16640, 16744, 17472, 17664, 17920, 17940, 19136, 19320, 19968, 20480, 20608, 20930, 21504, 21840, 22080, 23296, 23552, 23920, 24576, 24960, 25116, 25760, 26624, 26880, 28672, 28704, 29120, 29440, 30720, 30912, 31395, 33280, 33488, 34944, 35328, 35840, 35880, 38272, 38640, 39936, 40960, 41216, 41860, 43008, 43680, 44160, 46592, 47104, 47840, 49920, 50232, 51520, 53248, 53760, 57344, 57408, 58240, 58880, 61440, 61824, 62790, 66560, 66976, 69888, 70656, 71680, 71760, 76544, 77280, 79872, 82432, 83720, 86016, 87360, 88320, 93184, 94208, 95680, 99840, 100464, 103040, 106496, 107520, 114816, 116480, 117760, 122880, 123648, 125580, 133120, 133952, 139776, 141312, 143360, 143520, 153088, 154560, 159744, 164864, 167440, 172032, 174720, 176640, 186368, 188416, 191360, 199680, 200928, 206080, 215040, 229632, 232960, 235520, 247296, 251160, 266240, 267904, 279552, 282624, 286720, 287040, 306176, 309120, 319488, 329728, 334880, 349440, 353280, 372736, 382720, 399360, 401856, 412160, 430080, 459264, 465920, 471040, 494592, 502320, 532480, 535808, 559104, 565248, 574080, 612352, 618240, 659456, 669760, 698880, 706560, 745472, 765440, 798720, 803712, 824320, 860160, 918528, 931840, 942080, 989184, 1004640, 1071616, 1118208, 1148160, 1224704, 1236480, 1318912, 1339520, 1397760, 1413120, 1530880, 1597440, 1607424, 1648640, 1837056, 1863680, 1978368, 2009280, 2143232, 2236416, 2296320, 2449408, 2472960, 2679040, 2795520, 2826240, 3061760, 3214848, 3297280, 3674112, 3727360, 3956736, 4018560, 4286464, 4592640, 4945920, 5358080, 5591040, 6123520, 6429696, 6594560, 7348224, 8037120, 8572928, 9185280, 9891840, 10716160, 11182080, 12247040, 12859392, 16074240, 17145856, 18370560, 19783680, 21432320, 25718784, 32148480, 36741120, 42864640, 51437568, 64296960, 85729280, 128593920, 257187840]

約数ペア:

[(1, 257187840), (2, 128593920), (3, 85729280), (4, 64296960), (5, 51437568), (6, 42864640), (7, 36741120), (8, 32148480), (10, 25718784), (12, 21432320), (13, 19783680), (14, 18370560), (15, 17145856), (16, 16074240), (20, 12859392), (21, 12247040), (23, 11182080), (24, 10716160), (26, 9891840), (28, 9185280), (30, 8572928), (32, 8037120), (35, 7348224), (39, 6594560), (40, 6429696), (42, 6123520), (46, 5591040), (48, 5358080), (52, 4945920), (56, 4592640), (60, 4286464), (64, 4018560), (65, 3956736), (69, 3727360), (70, 3674112), (78, 3297280), (80, 3214848), (84, 3061760), (91, 2826240), (92, 2795520), (96, 2679040), (104, 2472960), (105, 2449408), (112, 2296320), (115, 2236416), (120, 2143232), (128, 2009280), (130, 1978368), (138, 1863680), (140, 1837056), (156, 1648640), (160, 1607424), (161, 1597440), (168, 1530880), (182, 1413120), (184, 1397760), (192, 1339520), (195, 1318912), (208, 1236480), (210, 1224704), (224, 1148160), (230, 1118208), (240, 1071616), (256, 1004640), (260, 989184), (273, 942080), (276, 931840), (280, 918528), (299, 860160), (312, 824320), (320, 803712), (322, 798720), (336, 765440), (345, 745472), (364, 706560), (368, 698880), (384, 669760), (390, 659456), (416, 618240), (420, 612352), (448, 574080), (455, 565248), (460, 559104), (480, 535808), (483, 532480), (512, 502320), (520, 494592), (546, 471040), (552, 465920), (560, 459264), (598, 430080), (624, 412160), (640, 401856), (644, 399360), (672, 382720), (690, 372736), (728, 353280), (736, 349440), (768, 334880), (780, 329728), (805, 319488), (832, 309120), (840, 306176), (896, 287040), (897, 286720), (910, 282624), (920, 279552), (960, 267904), (966, 266240), (1024, 251160), (1040, 247296), (1092, 235520), (1104, 232960), (1120, 229632), (1196, 215040), (1248, 206080), (1280, 200928), (1288, 199680), (1344, 191360), (1365, 188416), (1380, 186368), (1456, 176640), (1472, 174720), (1495, 172032), (1536, 167440), (1560, 164864), (1610, 159744), (1664, 154560), (1680, 153088), (1792, 143520), (1794, 143360), (1820, 141312), (1840, 139776), (1920, 133952), (1932, 133120), (2048, 125580), (2080, 123648), (2093, 122880), (2184, 117760), (2208, 116480), (2240, 114816), (2392, 107520), (2415, 106496), (2496, 103040), (2560, 100464), (2576, 99840), (2688, 95680), (2730, 94208), (2760, 93184), (2912, 88320), (2944, 87360), (2990, 86016), (3072, 83720), (3120, 82432), (3220, 79872), (3328, 77280), (3360, 76544), (3584, 71760), (3588, 71680), (3640, 70656), (3680, 69888), (3840, 66976), (3864, 66560), (4096, 62790), (4160, 61824), (4186, 61440), (4368, 58880), (4416, 58240), (4480, 57408), (4485, 57344), (4784, 53760), (4830, 53248), (4992, 51520), (5120, 50232), (5152, 49920), (5376, 47840), (5460, 47104), (5520, 46592), (5824, 44160), (5888, 43680), (5980, 43008), (6144, 41860), (6240, 41216), (6279, 40960), (6440, 39936), (6656, 38640), (6720, 38272), (7168, 35880), (7176, 35840), (7280, 35328), (7360, 34944), (7680, 33488), (7728, 33280), (8192, 31395), (8320, 30912), (8372, 30720), (8736, 29440), (8832, 29120), (8960, 28704), (8970, 28672), (9568, 26880), (9660, 26624), (9984, 25760), (10240, 25116), (10304, 24960), (10465, 24576), (10752, 23920), (10920, 23552), (11040, 23296), (11648, 22080), (11776, 21840), (11960, 21504), (12288, 20930), (12480, 20608), (12558, 20480), (12880, 19968), (13312, 19320), (13440, 19136), (14336, 17940), (14352, 17920), (14560, 17664), (14720, 17472), (15360, 16744), (15456, 16640)]