11998720

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 80

約数和(自身を含む): 29707920

約数和(自身を除く): 17709200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 109, 128, 160, 172, 215, 218, 256, 320, 344, 430, 436, 512, 545, 640, 688, 860, 872, 1090, 1280, 1376, 1720, 1744, 2180, 2560, 2752, 3440, 3488, 4360, 4687, 5504, 6880, 6976, 8720, 9374, 11008, 13760, 13952, 17440, 18748, 22016, 23435, 27520, 27904, 34880, 37496, 46870, 55040, 55808, 69760, 74992, 93740, 110080, 139520, 149984, 187480, 279040, 299968, 374960, 599936, 749920, 1199872, 1499840, 2399744, 2999680, 5999360, 11998720]

約数ペア:

[(1, 11998720), (2, 5999360), (4, 2999680), (5, 2399744), (8, 1499840), (10, 1199872), (16, 749920), (20, 599936), (32, 374960), (40, 299968), (43, 279040), (64, 187480), (80, 149984), (86, 139520), (109, 110080), (128, 93740), (160, 74992), (172, 69760), (215, 55808), (218, 55040), (256, 46870), (320, 37496), (344, 34880), (430, 27904), (436, 27520), (512, 23435), (545, 22016), (640, 18748), (688, 17440), (860, 13952), (872, 13760), (1090, 11008), (1280, 9374), (1376, 8720), (1720, 6976), (1744, 6880), (2180, 5504), (2560, 4687), (2752, 4360), (3440, 3488)]