21279928320

素因数分解:

$2^{12}\times 3^2\times 5^1\times 7^1\times {\mathrm{16493}}^1$

素因数の和:16535

約数の個数: 312

約数和(自身を含む): 84303868896

約数和(自身を除く): 63023940576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2048, 2240, 2304, 2520, 2560, 2688, 2880, 3072, 3360, 3584, 3840, 4032, 4096, 4480, 4608, 5040, 5120, 5376, 5760, 6144, 6720, 7168, 7680, 8064, 8960, 9216, 10080, 10240, 10752, 11520, 12288, 13440, 14336, 15360, 16128, 16493, 17920, 18432, 20160, 20480, 21504, 23040, 26880, 28672, 30720, 32256, 32986, 35840, 36864, 40320, 43008, 46080, 49479, 53760, 61440, 64512, 65972, 71680, 80640, 82465, 86016, 92160, 98958, 107520, 115451, 129024, 131944, 143360, 148437, 161280, 164930, 184320, 197916, 215040, 230902, 247395, 258048, 263888, 296874, 322560, 329860, 346353, 395832, 430080, 461804, 494790, 527776, 577255, 593748, 645120, 659720, 692706, 742185, 791664, 923608, 989580, 1039059, 1055552, 1154510, 1187496, 1290240, 1319440, 1385412, 1484370, 1583328, 1731765, 1847216, 1979160, 2078118, 2111104, 2309020, 2374992, 2638880, 2770824, 2968740, 3166656, 3463530, 3694432, 3958320, 4156236, 4222208, 4618040, 4749984, 5195295, 5277760, 5541648, 5937480, 6333312, 6927060, 7388864, 7916640, 8312472, 8444416, 9236080, 9499968, 10390590, 10555520, 11083296, 11874960, 12666624, 13854120, 14777728, 15833280, 16624944, 16888832, 18472160, 18999936, 20781180, 21111040, 22166592, 23749920, 25333248, 27708240, 29555456, 31666560, 33249888, 33777664, 36944320, 37999872, 41562360, 42222080, 44333184, 47499840, 50666496, 55416480, 59110912, 63333120, 66499776, 67555328, 73888640, 75999744, 83124720, 84444160, 88666368, 94999680, 101332992, 110832960, 118221824, 126666240, 132999552, 147777280, 151999488, 166249440, 168888320, 177332736, 189999360, 202665984, 221665920, 236443648, 253332480, 265999104, 295554560, 303998976, 332498880, 337776640, 354665472, 379998720, 443331840, 472887296, 506664960, 531998208, 591109120, 607997952, 664997760, 709330944, 759997440, 886663680, 1013329920, 1063996416, 1182218240, 1329995520, 1418661888, 1519994880, 1773327360, 2127992832, 2364436480, 2659991040, 3039989760, 3546654720, 4255985664, 5319982080, 7093309440, 10639964160, 21279928320]

約数ペア:

[(1, 21279928320), (2, 10639964160), (3, 7093309440), (4, 5319982080), (5, 4255985664), (6, 3546654720), (7, 3039989760), (8, 2659991040), (9, 2364436480), (10, 2127992832), (12, 1773327360), (14, 1519994880), (15, 1418661888), (16, 1329995520), (18, 1182218240), (20, 1063996416), (21, 1013329920), (24, 886663680), (28, 759997440), (30, 709330944), (32, 664997760), (35, 607997952), (36, 591109120), (40, 531998208), (42, 506664960), (45, 472887296), (48, 443331840), (56, 379998720), (60, 354665472), (63, 337776640), (64, 332498880), (70, 303998976), (72, 295554560), (80, 265999104), (84, 253332480), (90, 236443648), (96, 221665920), (105, 202665984), (112, 189999360), (120, 177332736), (126, 168888320), (128, 166249440), (140, 151999488), (144, 147777280), (160, 132999552), (168, 126666240), (180, 118221824), (192, 110832960), (210, 101332992), (224, 94999680), (240, 88666368), (252, 84444160), (256, 83124720), (280, 75999744), (288, 73888640), (315, 67555328), (320, 66499776), (336, 63333120), (360, 59110912), (384, 55416480), (420, 50666496), (448, 47499840), (480, 44333184), (504, 42222080), (512, 41562360), (560, 37999872), (576, 36944320), (630, 33777664), (640, 33249888), (672, 31666560), (720, 29555456), (768, 27708240), (840, 25333248), (896, 23749920), (960, 22166592), (1008, 21111040), (1024, 20781180), (1120, 18999936), (1152, 18472160), (1260, 16888832), (1280, 16624944), (1344, 15833280), (1440, 14777728), (1536, 13854120), (1680, 12666624), (1792, 11874960), (1920, 11083296), (2016, 10555520), (2048, 10390590), (2240, 9499968), (2304, 9236080), (2520, 8444416), (2560, 8312472), (2688, 7916640), (2880, 7388864), (3072, 6927060), (3360, 6333312), (3584, 5937480), (3840, 5541648), (4032, 5277760), (4096, 5195295), (4480, 4749984), (4608, 4618040), (5040, 4222208), (5120, 4156236), (5376, 3958320), (5760, 3694432), (6144, 3463530), (6720, 3166656), (7168, 2968740), (7680, 2770824), (8064, 2638880), (8960, 2374992), (9216, 2309020), (10080, 2111104), (10240, 2078118), (10752, 1979160), (11520, 1847216), (12288, 1731765), (13440, 1583328), (14336, 1484370), (15360, 1385412), (16128, 1319440), (16493, 1290240), (17920, 1187496), (18432, 1154510), (20160, 1055552), (20480, 1039059), (21504, 989580), (23040, 923608), (26880, 791664), (28672, 742185), (30720, 692706), (32256, 659720), (32986, 645120), (35840, 593748), (36864, 577255), (40320, 527776), (43008, 494790), (46080, 461804), (49479, 430080), (53760, 395832), (61440, 346353), (64512, 329860), (65972, 322560), (71680, 296874), (80640, 263888), (82465, 258048), (86016, 247395), (92160, 230902), (98958, 215040), (107520, 197916), (115451, 184320), (129024, 164930), (131944, 161280), (143360, 148437)]