17447680

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 42899472

約数和(自身を除く): 25451792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 317, 320, 344, 430, 634, 640, 688, 860, 1268, 1280, 1376, 1585, 1720, 2536, 2752, 3170, 3440, 5072, 5504, 6340, 6880, 10144, 11008, 12680, 13631, 13760, 20288, 25360, 27262, 27520, 40576, 50720, 54524, 55040, 68155, 81152, 101440, 109048, 136310, 202880, 218096, 272620, 405760, 436192, 545240, 872384, 1090480, 1744768, 2180960, 3489536, 4361920, 8723840, 17447680]

約数ペア:

[(1, 17447680), (2, 8723840), (4, 4361920), (5, 3489536), (8, 2180960), (10, 1744768), (16, 1090480), (20, 872384), (32, 545240), (40, 436192), (43, 405760), (64, 272620), (80, 218096), (86, 202880), (128, 136310), (160, 109048), (172, 101440), (215, 81152), (256, 68155), (317, 55040), (320, 54524), (344, 50720), (430, 40576), (634, 27520), (640, 27262), (688, 25360), (860, 20288), (1268, 13760), (1280, 13631), (1376, 12680), (1585, 11008), (1720, 10144), (2536, 6880), (2752, 6340), (3170, 5504), (3440, 5072)]