2999680

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 7405200

約数和(自身を除く): 4405520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 109, 128, 160, 172, 215, 218, 320, 344, 430, 436, 545, 640, 688, 860, 872, 1090, 1376, 1720, 1744, 2180, 2752, 3440, 3488, 4360, 4687, 5504, 6880, 6976, 8720, 9374, 13760, 13952, 17440, 18748, 23435, 27520, 34880, 37496, 46870, 69760, 74992, 93740, 149984, 187480, 299968, 374960, 599936, 749920, 1499840, 2999680]

約数ペア:

[(1, 2999680), (2, 1499840), (4, 749920), (5, 599936), (8, 374960), (10, 299968), (16, 187480), (20, 149984), (32, 93740), (40, 74992), (43, 69760), (64, 46870), (80, 37496), (86, 34880), (109, 27520), (128, 23435), (160, 18748), (172, 17440), (215, 13952), (218, 13760), (320, 9374), (344, 8720), (430, 6976), (436, 6880), (545, 5504), (640, 4687), (688, 4360), (860, 3488), (872, 3440), (1090, 2752), (1376, 2180), (1720, 1744)]