81674880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 256

約数和(自身を含む): 305510400

約数和(自身を除く): 223835520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 59, 60, 64, 70, 80, 84, 96, 103, 105, 112, 118, 120, 128, 140, 160, 168, 177, 192, 206, 210, 224, 236, 240, 280, 295, 309, 320, 336, 354, 384, 412, 413, 420, 448, 472, 480, 515, 560, 590, 618, 640, 672, 708, 721, 824, 826, 840, 885, 896, 944, 960, 1030, 1120, 1180, 1236, 1239, 1344, 1416, 1442, 1545, 1648, 1652, 1680, 1770, 1888, 1920, 2060, 2065, 2163, 2240, 2360, 2472, 2478, 2688, 2832, 2884, 3090, 3296, 3304, 3360, 3540, 3605, 3776, 4120, 4130, 4326, 4480, 4720, 4944, 4956, 5664, 5768, 6077, 6180, 6195, 6592, 6608, 6720, 7080, 7210, 7552, 8240, 8260, 8652, 9440, 9888, 9912, 10815, 11328, 11536, 12154, 12360, 12390, 13184, 13216, 13440, 14160, 14420, 16480, 16520, 17304, 18231, 18880, 19776, 19824, 21630, 22656, 23072, 24308, 24720, 24780, 26432, 28320, 28840, 30385, 32960, 33040, 34608, 36462, 37760, 39552, 39648, 42539, 43260, 46144, 48616, 49440, 49560, 52864, 56640, 57680, 60770, 65920, 66080, 69216, 72924, 79296, 85078, 86520, 91155, 92288, 97232, 98880, 99120, 113280, 115360, 121540, 127617, 132160, 138432, 145848, 158592, 170156, 173040, 182310, 194464, 197760, 198240, 212695, 230720, 243080, 255234, 264320, 276864, 291696, 340312, 346080, 364620, 388928, 396480, 425390, 461440, 486160, 510468, 583392, 638085, 680624, 692160, 729240, 777856, 792960, 850780, 972320, 1020936, 1166784, 1276170, 1361248, 1384320, 1458480, 1701560, 1944640, 2041872, 2333568, 2552340, 2722496, 2916960, 3403120, 3889280, 4083744, 5104680, 5444992, 5833920, 6806240, 8167488, 10209360, 11667840, 13612480, 16334976, 20418720, 27224960, 40837440, 81674880]

約数ペア:

[(1, 81674880), (2, 40837440), (3, 27224960), (4, 20418720), (5, 16334976), (6, 13612480), (7, 11667840), (8, 10209360), (10, 8167488), (12, 6806240), (14, 5833920), (15, 5444992), (16, 5104680), (20, 4083744), (21, 3889280), (24, 3403120), (28, 2916960), (30, 2722496), (32, 2552340), (35, 2333568), (40, 2041872), (42, 1944640), (48, 1701560), (56, 1458480), (59, 1384320), (60, 1361248), (64, 1276170), (70, 1166784), (80, 1020936), (84, 972320), (96, 850780), (103, 792960), (105, 777856), (112, 729240), (118, 692160), (120, 680624), (128, 638085), (140, 583392), (160, 510468), (168, 486160), (177, 461440), (192, 425390), (206, 396480), (210, 388928), (224, 364620), (236, 346080), (240, 340312), (280, 291696), (295, 276864), (309, 264320), (320, 255234), (336, 243080), (354, 230720), (384, 212695), (412, 198240), (413, 197760), (420, 194464), (448, 182310), (472, 173040), (480, 170156), (515, 158592), (560, 145848), (590, 138432), (618, 132160), (640, 127617), (672, 121540), (708, 115360), (721, 113280), (824, 99120), (826, 98880), (840, 97232), (885, 92288), (896, 91155), (944, 86520), (960, 85078), (1030, 79296), (1120, 72924), (1180, 69216), (1236, 66080), (1239, 65920), (1344, 60770), (1416, 57680), (1442, 56640), (1545, 52864), (1648, 49560), (1652, 49440), (1680, 48616), (1770, 46144), (1888, 43260), (1920, 42539), (2060, 39648), (2065, 39552), (2163, 37760), (2240, 36462), (2360, 34608), (2472, 33040), (2478, 32960), (2688, 30385), (2832, 28840), (2884, 28320), (3090, 26432), (3296, 24780), (3304, 24720), (3360, 24308), (3540, 23072), (3605, 22656), (3776, 21630), (4120, 19824), (4130, 19776), (4326, 18880), (4480, 18231), (4720, 17304), (4944, 16520), (4956, 16480), (5664, 14420), (5768, 14160), (6077, 13440), (6180, 13216), (6195, 13184), (6592, 12390), (6608, 12360), (6720, 12154), (7080, 11536), (7210, 11328), (7552, 10815), (8240, 9912), (8260, 9888), (8652, 9440)]