86990720

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 222156000

約数和(自身を除く): 135165280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 109, 116, 128, 145, 160, 172, 215, 218, 232, 290, 320, 344, 430, 436, 464, 545, 580, 640, 688, 860, 872, 928, 1090, 1160, 1247, 1376, 1720, 1744, 1856, 2180, 2320, 2494, 2752, 3161, 3440, 3488, 3712, 4360, 4640, 4687, 4988, 5504, 6235, 6322, 6880, 6976, 8720, 9280, 9374, 9976, 12470, 12644, 13760, 13952, 15805, 17440, 18560, 18748, 19952, 23435, 24940, 25288, 27520, 31610, 34880, 37496, 39904, 46870, 49880, 50576, 63220, 69760, 74992, 79808, 93740, 99760, 101152, 126440, 135923, 149984, 159616, 187480, 199520, 202304, 252880, 271846, 299968, 374960, 399040, 404608, 505760, 543692, 599936, 679615, 749920, 798080, 1011520, 1087384, 1359230, 1499840, 2023040, 2174768, 2718460, 2999680, 4349536, 5436920, 8699072, 10873840, 17398144, 21747680, 43495360, 86990720]

約数ペア:

[(1, 86990720), (2, 43495360), (4, 21747680), (5, 17398144), (8, 10873840), (10, 8699072), (16, 5436920), (20, 4349536), (29, 2999680), (32, 2718460), (40, 2174768), (43, 2023040), (58, 1499840), (64, 1359230), (80, 1087384), (86, 1011520), (109, 798080), (116, 749920), (128, 679615), (145, 599936), (160, 543692), (172, 505760), (215, 404608), (218, 399040), (232, 374960), (290, 299968), (320, 271846), (344, 252880), (430, 202304), (436, 199520), (464, 187480), (545, 159616), (580, 149984), (640, 135923), (688, 126440), (860, 101152), (872, 99760), (928, 93740), (1090, 79808), (1160, 74992), (1247, 69760), (1376, 63220), (1720, 50576), (1744, 49880), (1856, 46870), (2180, 39904), (2320, 37496), (2494, 34880), (2752, 31610), (3161, 27520), (3440, 25288), (3488, 24940), (3712, 23435), (4360, 19952), (4640, 18748), (4687, 18560), (4988, 17440), (5504, 15805), (6235, 13952), (6322, 13760), (6880, 12644), (6976, 12470), (8720, 9976), (9280, 9374)]