79491520

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 112

約数和(自身を含む): 199156320

約数和(自身を除く): 119664800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 53, 64, 80, 86, 106, 109, 160, 172, 212, 215, 218, 265, 320, 344, 424, 430, 436, 530, 545, 688, 848, 860, 872, 1060, 1090, 1376, 1696, 1720, 1744, 2120, 2180, 2279, 2752, 3392, 3440, 3488, 4240, 4360, 4558, 4687, 5777, 6880, 6976, 8480, 8720, 9116, 9374, 11395, 11554, 13760, 16960, 17440, 18232, 18748, 22790, 23108, 23435, 28885, 34880, 36464, 37496, 45580, 46216, 46870, 57770, 72928, 74992, 91160, 92432, 93740, 115540, 145856, 149984, 182320, 184864, 187480, 231080, 248411, 299968, 364640, 369728, 374960, 462160, 496822, 729280, 749920, 924320, 993644, 1242055, 1499840, 1848640, 1987288, 2484110, 3974576, 4968220, 7949152, 9936440, 15898304, 19872880, 39745760, 79491520]

約数ペア:

[(1, 79491520), (2, 39745760), (4, 19872880), (5, 15898304), (8, 9936440), (10, 7949152), (16, 4968220), (20, 3974576), (32, 2484110), (40, 1987288), (43, 1848640), (53, 1499840), (64, 1242055), (80, 993644), (86, 924320), (106, 749920), (109, 729280), (160, 496822), (172, 462160), (212, 374960), (215, 369728), (218, 364640), (265, 299968), (320, 248411), (344, 231080), (424, 187480), (430, 184864), (436, 182320), (530, 149984), (545, 145856), (688, 115540), (848, 93740), (860, 92432), (872, 91160), (1060, 74992), (1090, 72928), (1376, 57770), (1696, 46870), (1720, 46216), (1744, 45580), (2120, 37496), (2180, 36464), (2279, 34880), (2752, 28885), (3392, 23435), (3440, 23108), (3488, 22790), (4240, 18748), (4360, 18232), (4558, 17440), (4687, 16960), (5777, 13760), (6880, 11554), (6976, 11395), (8480, 9374), (8720, 9116)]