29996800

素因数分解:

$2^8\times 5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 108

約数和(自身を含む): 76670440

約数和(自身を除く): 46673640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 109, 128, 160, 172, 200, 215, 218, 256, 320, 344, 400, 430, 436, 545, 640, 688, 800, 860, 872, 1075, 1090, 1280, 1376, 1600, 1720, 1744, 2150, 2180, 2725, 2752, 3200, 3440, 3488, 4300, 4360, 4687, 5450, 5504, 6400, 6880, 6976, 8600, 8720, 9374, 10900, 11008, 13760, 13952, 17200, 17440, 18748, 21800, 23435, 27520, 27904, 34400, 34880, 37496, 43600, 46870, 55040, 68800, 69760, 74992, 87200, 93740, 117175, 137600, 139520, 149984, 174400, 187480, 234350, 275200, 299968, 348800, 374960, 468700, 599936, 697600, 749920, 937400, 1199872, 1499840, 1874800, 2999680, 3749600, 5999360, 7499200, 14998400, 29996800]

約数ペア:

[(1, 29996800), (2, 14998400), (4, 7499200), (5, 5999360), (8, 3749600), (10, 2999680), (16, 1874800), (20, 1499840), (25, 1199872), (32, 937400), (40, 749920), (43, 697600), (50, 599936), (64, 468700), (80, 374960), (86, 348800), (100, 299968), (109, 275200), (128, 234350), (160, 187480), (172, 174400), (200, 149984), (215, 139520), (218, 137600), (256, 117175), (320, 93740), (344, 87200), (400, 74992), (430, 69760), (436, 68800), (545, 55040), (640, 46870), (688, 43600), (800, 37496), (860, 34880), (872, 34400), (1075, 27904), (1090, 27520), (1280, 23435), (1376, 21800), (1600, 18748), (1720, 17440), (1744, 17200), (2150, 13952), (2180, 13760), (2725, 11008), (2752, 10900), (3200, 9374), (3440, 8720), (3488, 8600), (4300, 6976), (4360, 6880), (4687, 6400), (5450, 5504)]