646830080

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 1725403680

約数和(自身を除く): 1078573600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 113, 128, 130, 160, 172, 208, 215, 226, 256, 260, 320, 344, 416, 430, 452, 512, 520, 559, 565, 640, 688, 832, 860, 904, 1024, 1040, 1118, 1130, 1280, 1376, 1469, 1664, 1720, 1808, 2048, 2080, 2236, 2260, 2560, 2752, 2795, 2938, 3328, 3440, 3616, 4160, 4472, 4520, 4859, 5120, 5504, 5590, 5876, 6656, 6880, 7232, 7345, 8320, 8944, 9040, 9718, 10240, 11008, 11180, 11752, 13312, 13760, 14464, 14690, 16640, 17888, 18080, 19436, 22016, 22360, 23504, 24295, 26624, 27520, 28928, 29380, 33280, 35776, 36160, 38872, 44032, 44720, 47008, 48590, 55040, 57856, 58760, 63167, 66560, 71552, 72320, 77744, 88064, 89440, 94016, 97180, 110080, 115712, 117520, 126334, 133120, 143104, 144640, 155488, 178880, 188032, 194360, 220160, 231424, 235040, 252668, 286208, 289280, 310976, 315835, 357760, 376064, 388720, 440320, 470080, 505336, 572416, 578560, 621952, 631670, 715520, 752128, 777440, 940160, 1010672, 1144832, 1157120, 1243904, 1263340, 1431040, 1504256, 1554880, 1880320, 2021344, 2487808, 2526680, 2862080, 3008512, 3109760, 3760640, 4042688, 4975616, 5053360, 5724160, 6219520, 7521280, 8085376, 9951232, 10106720, 12439040, 15042560, 16170752, 20213440, 24878080, 32341504, 40426880, 49756160, 64683008, 80853760, 129366016, 161707520, 323415040, 646830080]

約数ペア:

[(1, 646830080), (2, 323415040), (4, 161707520), (5, 129366016), (8, 80853760), (10, 64683008), (13, 49756160), (16, 40426880), (20, 32341504), (26, 24878080), (32, 20213440), (40, 16170752), (43, 15042560), (52, 12439040), (64, 10106720), (65, 9951232), (80, 8085376), (86, 7521280), (104, 6219520), (113, 5724160), (128, 5053360), (130, 4975616), (160, 4042688), (172, 3760640), (208, 3109760), (215, 3008512), (226, 2862080), (256, 2526680), (260, 2487808), (320, 2021344), (344, 1880320), (416, 1554880), (430, 1504256), (452, 1431040), (512, 1263340), (520, 1243904), (559, 1157120), (565, 1144832), (640, 1010672), (688, 940160), (832, 777440), (860, 752128), (904, 715520), (1024, 631670), (1040, 621952), (1118, 578560), (1130, 572416), (1280, 505336), (1376, 470080), (1469, 440320), (1664, 388720), (1720, 376064), (1808, 357760), (2048, 315835), (2080, 310976), (2236, 289280), (2260, 286208), (2560, 252668), (2752, 235040), (2795, 231424), (2938, 220160), (3328, 194360), (3440, 188032), (3616, 178880), (4160, 155488), (4472, 144640), (4520, 143104), (4859, 133120), (5120, 126334), (5504, 117520), (5590, 115712), (5876, 110080), (6656, 97180), (6880, 94016), (7232, 89440), (7345, 88064), (8320, 77744), (8944, 72320), (9040, 71552), (9718, 66560), (10240, 63167), (11008, 58760), (11180, 57856), (11752, 55040), (13312, 48590), (13760, 47008), (14464, 44720), (14690, 44032), (16640, 38872), (17888, 36160), (18080, 35776), (19436, 33280), (22016, 29380), (22360, 28928), (23504, 27520), (24295, 26624)]