64493120

素因数分解:

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

素因数の和:212

約数の個数: 84

約数和(自身を含む): 158671260

約数和(自身を除く): 94178140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 109, 160, 172, 215, 218, 320, 344, 430, 436, 545, 688, 860, 872, 1090, 1376, 1720, 1744, 1849, 2180, 2752, 3440, 3488, 3698, 4360, 4687, 6880, 6976, 7396, 8720, 9245, 9374, 13760, 14792, 17440, 18490, 18748, 23435, 29584, 34880, 36980, 37496, 46870, 59168, 73960, 74992, 93740, 118336, 147920, 149984, 187480, 201541, 295840, 299968, 374960, 403082, 591680, 749920, 806164, 1007705, 1499840, 1612328, 2015410, 3224656, 4030820, 6449312, 8061640, 12898624, 16123280, 32246560, 64493120]

約数ペア:

[(1, 64493120), (2, 32246560), (4, 16123280), (5, 12898624), (8, 8061640), (10, 6449312), (16, 4030820), (20, 3224656), (32, 2015410), (40, 1612328), (43, 1499840), (64, 1007705), (80, 806164), (86, 749920), (109, 591680), (160, 403082), (172, 374960), (215, 299968), (218, 295840), (320, 201541), (344, 187480), (430, 149984), (436, 147920), (545, 118336), (688, 93740), (860, 74992), (872, 73960), (1090, 59168), (1376, 46870), (1720, 37496), (1744, 36980), (1849, 34880), (2180, 29584), (2752, 23435), (3440, 18748), (3488, 18490), (3698, 17440), (4360, 14792), (4687, 13760), (6880, 9374), (6976, 9245), (7396, 8720)]