311966720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 176

約数和(自身を含む): 832228320

約数和(自身を除く): 520261600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 109, 128, 130, 160, 172, 208, 215, 218, 256, 260, 320, 344, 416, 430, 436, 512, 520, 545, 559, 640, 688, 832, 860, 872, 1024, 1040, 1090, 1118, 1280, 1376, 1417, 1664, 1720, 1744, 2080, 2180, 2236, 2560, 2752, 2795, 2834, 3328, 3440, 3488, 4160, 4360, 4472, 4687, 5120, 5504, 5590, 5668, 6656, 6880, 6976, 7085, 8320, 8720, 8944, 9374, 11008, 11180, 11336, 13312, 13760, 13952, 14170, 16640, 17440, 17888, 18748, 22016, 22360, 22672, 23435, 27520, 27904, 28340, 33280, 34880, 35776, 37496, 44032, 44720, 45344, 46870, 55040, 55808, 56680, 60931, 66560, 69760, 71552, 74992, 89440, 90688, 93740, 110080, 111616, 113360, 121862, 139520, 143104, 149984, 178880, 181376, 187480, 220160, 226720, 243724, 279040, 286208, 299968, 304655, 357760, 362752, 374960, 453440, 487448, 558080, 572416, 599936, 609310, 715520, 725504, 749920, 906880, 974896, 1199872, 1218620, 1431040, 1451008, 1499840, 1813760, 1949792, 2399744, 2437240, 2862080, 2999680, 3627520, 3899584, 4799488, 4874480, 5999360, 7255040, 7799168, 9748960, 11998720, 15598336, 19497920, 23997440, 31196672, 38995840, 62393344, 77991680, 155983360, 311966720]

約数ペア:

[(1, 311966720), (2, 155983360), (4, 77991680), (5, 62393344), (8, 38995840), (10, 31196672), (13, 23997440), (16, 19497920), (20, 15598336), (26, 11998720), (32, 9748960), (40, 7799168), (43, 7255040), (52, 5999360), (64, 4874480), (65, 4799488), (80, 3899584), (86, 3627520), (104, 2999680), (109, 2862080), (128, 2437240), (130, 2399744), (160, 1949792), (172, 1813760), (208, 1499840), (215, 1451008), (218, 1431040), (256, 1218620), (260, 1199872), (320, 974896), (344, 906880), (416, 749920), (430, 725504), (436, 715520), (512, 609310), (520, 599936), (545, 572416), (559, 558080), (640, 487448), (688, 453440), (832, 374960), (860, 362752), (872, 357760), (1024, 304655), (1040, 299968), (1090, 286208), (1118, 279040), (1280, 243724), (1376, 226720), (1417, 220160), (1664, 187480), (1720, 181376), (1744, 178880), (2080, 149984), (2180, 143104), (2236, 139520), (2560, 121862), (2752, 113360), (2795, 111616), (2834, 110080), (3328, 93740), (3440, 90688), (3488, 89440), (4160, 74992), (4360, 71552), (4472, 69760), (4687, 66560), (5120, 60931), (5504, 56680), (5590, 55808), (5668, 55040), (6656, 46870), (6880, 45344), (6976, 44720), (7085, 44032), (8320, 37496), (8720, 35776), (8944, 34880), (9374, 33280), (11008, 28340), (11180, 27904), (11336, 27520), (13312, 23435), (13760, 22672), (13952, 22360), (14170, 22016), (16640, 18748), (17440, 17888)]