857758720

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 264

約数和(自身を含む): 2587473504

約数和(自身を除く): 1729714784

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 263, 280, 320, 364, 392, 416, 448, 455, 490, 512, 520, 526, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1024, 1040, 1052, 1120, 1274, 1280, 1315, 1456, 1568, 1664, 1792, 1820, 1841, 1960, 2080, 2104, 2240, 2548, 2560, 2630, 2912, 3136, 3185, 3328, 3419, 3584, 3640, 3682, 3920, 4160, 4208, 4480, 5096, 5120, 5260, 5824, 6272, 6370, 6656, 6838, 7168, 7280, 7364, 7840, 8320, 8416, 8960, 9205, 10192, 10520, 11648, 12544, 12740, 12887, 13312, 13676, 14560, 14728, 15680, 16640, 16832, 17095, 17920, 18410, 20384, 21040, 23296, 23933, 25088, 25480, 25774, 27352, 29120, 29456, 31360, 33280, 33664, 34190, 35840, 36820, 40768, 42080, 46592, 47866, 50176, 50960, 51548, 54704, 58240, 58912, 62720, 64435, 66560, 67328, 68380, 73640, 81536, 84160, 93184, 95732, 101920, 103096, 109408, 116480, 117824, 119665, 125440, 128870, 134656, 136760, 147280, 163072, 167531, 168320, 191464, 203840, 206192, 218816, 232960, 235648, 239330, 250880, 257740, 269312, 273520, 294560, 326144, 335062, 336640, 382928, 407680, 412384, 437632, 465920, 471296, 478660, 515480, 547040, 589120, 652288, 670124, 673280, 765856, 815360, 824768, 837655, 875264, 942592, 957320, 1030960, 1094080, 1178240, 1340248, 1346560, 1531712, 1630720, 1649536, 1675310, 1750528, 1885184, 1914640, 2061920, 2188160, 2356480, 2680496, 3063424, 3261440, 3299072, 3350620, 3501056, 3829280, 4123840, 4376320, 4712960, 5360992, 6126848, 6598144, 6701240, 7658560, 8247680, 8752640, 9425920, 10721984, 12253696, 13196288, 13402480, 15317120, 16495360, 17505280, 21443968, 24507392, 26804960, 30634240, 32990720, 42887936, 53609920, 61268480, 65981440, 85775872, 107219840, 122536960, 171551744, 214439680, 428879360, 857758720]

約数ペア:

[(1, 857758720), (2, 428879360), (4, 214439680), (5, 171551744), (7, 122536960), (8, 107219840), (10, 85775872), (13, 65981440), (14, 61268480), (16, 53609920), (20, 42887936), (26, 32990720), (28, 30634240), (32, 26804960), (35, 24507392), (40, 21443968), (49, 17505280), (52, 16495360), (56, 15317120), (64, 13402480), (65, 13196288), (70, 12253696), (80, 10721984), (91, 9425920), (98, 8752640), (104, 8247680), (112, 7658560), (128, 6701240), (130, 6598144), (140, 6126848), (160, 5360992), (182, 4712960), (196, 4376320), (208, 4123840), (224, 3829280), (245, 3501056), (256, 3350620), (260, 3299072), (263, 3261440), (280, 3063424), (320, 2680496), (364, 2356480), (392, 2188160), (416, 2061920), (448, 1914640), (455, 1885184), (490, 1750528), (512, 1675310), (520, 1649536), (526, 1630720), (560, 1531712), (637, 1346560), (640, 1340248), (728, 1178240), (784, 1094080), (832, 1030960), (896, 957320), (910, 942592), (980, 875264), (1024, 837655), (1040, 824768), (1052, 815360), (1120, 765856), (1274, 673280), (1280, 670124), (1315, 652288), (1456, 589120), (1568, 547040), (1664, 515480), (1792, 478660), (1820, 471296), (1841, 465920), (1960, 437632), (2080, 412384), (2104, 407680), (2240, 382928), (2548, 336640), (2560, 335062), (2630, 326144), (2912, 294560), (3136, 273520), (3185, 269312), (3328, 257740), (3419, 250880), (3584, 239330), (3640, 235648), (3682, 232960), (3920, 218816), (4160, 206192), (4208, 203840), (4480, 191464), (5096, 168320), (5120, 167531), (5260, 163072), (5824, 147280), (6272, 136760), (6370, 134656), (6656, 128870), (6838, 125440), (7168, 119665), (7280, 117824), (7364, 116480), (7840, 109408), (8320, 103096), (8416, 101920), (8960, 95732), (9205, 93184), (10192, 84160), (10520, 81536), (11648, 73640), (12544, 68380), (12740, 67328), (12887, 66560), (13312, 64435), (13676, 62720), (14560, 58912), (14728, 58240), (15680, 54704), (16640, 51548), (16832, 50960), (17095, 50176), (17920, 47866), (18410, 46592), (20384, 42080), (21040, 40768), (23296, 36820), (23933, 35840), (25088, 34190), (25480, 33664), (25774, 33280), (27352, 31360), (29120, 29456)]