245217280

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:356

約数の個数: 192

約数和(自身を含む): 735920640

約数和(自身を除く): 490703360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 311, 320, 352, 385, 440, 448, 512, 560, 616, 622, 640, 704, 770, 880, 896, 1024, 1120, 1232, 1244, 1280, 1408, 1540, 1555, 1760, 1792, 2048, 2177, 2240, 2464, 2488, 2560, 2816, 3080, 3110, 3421, 3520, 3584, 4354, 4480, 4928, 4976, 5120, 5632, 6160, 6220, 6842, 7040, 7168, 8708, 8960, 9856, 9952, 10240, 10885, 11264, 12320, 12440, 13684, 14080, 14336, 17105, 17416, 17920, 19712, 19904, 21770, 22528, 23947, 24640, 24880, 27368, 28160, 34210, 34832, 35840, 39424, 39808, 43540, 47894, 49280, 49760, 54736, 56320, 68420, 69664, 71680, 78848, 79616, 87080, 95788, 98560, 99520, 109472, 112640, 119735, 136840, 139328, 157696, 159232, 174160, 191576, 197120, 199040, 218944, 239470, 273680, 278656, 318464, 348320, 383152, 394240, 398080, 437888, 478940, 547360, 557312, 636928, 696640, 766304, 788480, 796160, 875776, 957880, 1094720, 1114624, 1393280, 1532608, 1592320, 1751552, 1915760, 2189440, 2229248, 2786560, 3065216, 3184640, 3503104, 3831520, 4378880, 4458496, 5573120, 6130432, 7006208, 7663040, 8757760, 11146240, 12260864, 15326080, 17515520, 22292480, 24521728, 30652160, 35031040, 49043456, 61304320, 122608640, 245217280]

約数ペア:

[(1, 245217280), (2, 122608640), (4, 61304320), (5, 49043456), (7, 35031040), (8, 30652160), (10, 24521728), (11, 22292480), (14, 17515520), (16, 15326080), (20, 12260864), (22, 11146240), (28, 8757760), (32, 7663040), (35, 7006208), (40, 6130432), (44, 5573120), (55, 4458496), (56, 4378880), (64, 3831520), (70, 3503104), (77, 3184640), (80, 3065216), (88, 2786560), (110, 2229248), (112, 2189440), (128, 1915760), (140, 1751552), (154, 1592320), (160, 1532608), (176, 1393280), (220, 1114624), (224, 1094720), (256, 957880), (280, 875776), (308, 796160), (311, 788480), (320, 766304), (352, 696640), (385, 636928), (440, 557312), (448, 547360), (512, 478940), (560, 437888), (616, 398080), (622, 394240), (640, 383152), (704, 348320), (770, 318464), (880, 278656), (896, 273680), (1024, 239470), (1120, 218944), (1232, 199040), (1244, 197120), (1280, 191576), (1408, 174160), (1540, 159232), (1555, 157696), (1760, 139328), (1792, 136840), (2048, 119735), (2177, 112640), (2240, 109472), (2464, 99520), (2488, 98560), (2560, 95788), (2816, 87080), (3080, 79616), (3110, 78848), (3421, 71680), (3520, 69664), (3584, 68420), (4354, 56320), (4480, 54736), (4928, 49760), (4976, 49280), (5120, 47894), (5632, 43540), (6160, 39808), (6220, 39424), (6842, 35840), (7040, 34832), (7168, 34210), (8708, 28160), (8960, 27368), (9856, 24880), (9952, 24640), (10240, 23947), (10885, 22528), (11264, 21770), (12320, 19904), (12440, 19712), (13684, 17920), (14080, 17416), (14336, 17105)]