1994993280

素因数分解:

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

素因数の和:16528

約数の個数: 256

約数和(自身を含む): 8075462400

約数和(自身を除く): 6080469120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 16493, 17280, 20160, 24192, 30240, 32986, 40320, 49479, 60480, 65972, 82465, 98958, 115451, 120960, 131944, 148437, 164930, 197916, 230902, 247395, 263888, 296874, 329860, 346353, 395832, 445311, 461804, 494790, 527776, 577255, 593748, 659720, 692706, 742185, 791664, 890622, 923608, 989580, 1039059, 1055552, 1154510, 1187496, 1319440, 1385412, 1484370, 1583328, 1731765, 1781244, 1847216, 1979160, 2078118, 2111104, 2226555, 2309020, 2374992, 2638880, 2770824, 2968740, 3117177, 3166656, 3463530, 3562488, 3694432, 3958320, 4156236, 4453110, 4618040, 4749984, 5195295, 5277760, 5541648, 5937480, 6234354, 6333312, 6927060, 7124976, 7388864, 7916640, 8312472, 8906220, 9236080, 9499968, 10390590, 10555520, 11083296, 11874960, 12468708, 13854120, 14249952, 14777728, 15585885, 15833280, 16624944, 17812440, 18472160, 18999936, 20781180, 22166592, 23749920, 24937416, 27708240, 28499904, 31171770, 31666560, 33249888, 35624880, 36944320, 41562360, 44333184, 47499840, 49874832, 55416480, 56999808, 62343540, 66499776, 71249760, 73888640, 83124720, 94999680, 99749664, 110832960, 124687080, 132999552, 142499520, 166249440, 199499328, 221665920, 249374160, 284999040, 332498880, 398998656, 498748320, 664997760, 997496640, 1994993280]

約数ペア:

[(1, 1994993280), (2, 997496640), (3, 664997760), (4, 498748320), (5, 398998656), (6, 332498880), (7, 284999040), (8, 249374160), (9, 221665920), (10, 199499328), (12, 166249440), (14, 142499520), (15, 132999552), (16, 124687080), (18, 110832960), (20, 99749664), (21, 94999680), (24, 83124720), (27, 73888640), (28, 71249760), (30, 66499776), (32, 62343540), (35, 56999808), (36, 55416480), (40, 49874832), (42, 47499840), (45, 44333184), (48, 41562360), (54, 36944320), (56, 35624880), (60, 33249888), (63, 31666560), (64, 31171770), (70, 28499904), (72, 27708240), (80, 24937416), (84, 23749920), (90, 22166592), (96, 20781180), (105, 18999936), (108, 18472160), (112, 17812440), (120, 16624944), (126, 15833280), (128, 15585885), (135, 14777728), (140, 14249952), (144, 13854120), (160, 12468708), (168, 11874960), (180, 11083296), (189, 10555520), (192, 10390590), (210, 9499968), (216, 9236080), (224, 8906220), (240, 8312472), (252, 7916640), (270, 7388864), (280, 7124976), (288, 6927060), (315, 6333312), (320, 6234354), (336, 5937480), (360, 5541648), (378, 5277760), (384, 5195295), (420, 4749984), (432, 4618040), (448, 4453110), (480, 4156236), (504, 3958320), (540, 3694432), (560, 3562488), (576, 3463530), (630, 3166656), (640, 3117177), (672, 2968740), (720, 2770824), (756, 2638880), (840, 2374992), (864, 2309020), (896, 2226555), (945, 2111104), (960, 2078118), (1008, 1979160), (1080, 1847216), (1120, 1781244), (1152, 1731765), (1260, 1583328), (1344, 1484370), (1440, 1385412), (1512, 1319440), (1680, 1187496), (1728, 1154510), (1890, 1055552), (1920, 1039059), (2016, 989580), (2160, 923608), (2240, 890622), (2520, 791664), (2688, 742185), (2880, 692706), (3024, 659720), (3360, 593748), (3456, 577255), (3780, 527776), (4032, 494790), (4320, 461804), (4480, 445311), (5040, 395832), (5760, 346353), (6048, 329860), (6720, 296874), (7560, 263888), (8064, 247395), (8640, 230902), (10080, 197916), (12096, 164930), (13440, 148437), (15120, 131944), (16493, 120960), (17280, 115451), (20160, 98958), (24192, 82465), (30240, 65972), (32986, 60480), (40320, 49479)]