8999040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 29620800

約数和(自身を除く): 20621760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 109, 120, 128, 129, 160, 172, 192, 215, 218, 240, 258, 320, 327, 344, 384, 430, 436, 480, 516, 545, 640, 645, 654, 688, 860, 872, 960, 1032, 1090, 1290, 1308, 1376, 1635, 1720, 1744, 1920, 2064, 2180, 2580, 2616, 2752, 3270, 3440, 3488, 4128, 4360, 4687, 5160, 5232, 5504, 6540, 6880, 6976, 8256, 8720, 9374, 10320, 10464, 13080, 13760, 13952, 14061, 16512, 17440, 18748, 20640, 20928, 23435, 26160, 27520, 28122, 34880, 37496, 41280, 41856, 46870, 52320, 56244, 69760, 70305, 74992, 82560, 93740, 104640, 112488, 140610, 149984, 187480, 209280, 224976, 281220, 299968, 374960, 449952, 562440, 599936, 749920, 899904, 1124880, 1499840, 1799808, 2249760, 2999680, 4499520, 8999040]

約数ペア:

[(1, 8999040), (2, 4499520), (3, 2999680), (4, 2249760), (5, 1799808), (6, 1499840), (8, 1124880), (10, 899904), (12, 749920), (15, 599936), (16, 562440), (20, 449952), (24, 374960), (30, 299968), (32, 281220), (40, 224976), (43, 209280), (48, 187480), (60, 149984), (64, 140610), (80, 112488), (86, 104640), (96, 93740), (109, 82560), (120, 74992), (128, 70305), (129, 69760), (160, 56244), (172, 52320), (192, 46870), (215, 41856), (218, 41280), (240, 37496), (258, 34880), (320, 28122), (327, 27520), (344, 26160), (384, 23435), (430, 20928), (436, 20640), (480, 18748), (516, 17440), (545, 16512), (640, 14061), (645, 13952), (654, 13760), (688, 13080), (860, 10464), (872, 10320), (960, 9374), (1032, 8720), (1090, 8256), (1290, 6976), (1308, 6880), (1376, 6540), (1635, 5504), (1720, 5232), (1744, 5160), (1920, 4687), (2064, 4360), (2180, 4128), (2580, 3488), (2616, 3440), (2752, 3270)]