18137600

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 120

約数和(自身を含む): 48838020

約数和(自身を除く): 30700420

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 109, 128, 130, 160, 200, 208, 218, 256, 260, 320, 325, 400, 416, 436, 512, 520, 545, 640, 650, 800, 832, 872, 1040, 1090, 1280, 1300, 1417, 1600, 1664, 1744, 2080, 2180, 2560, 2600, 2725, 2834, 3200, 3328, 3488, 4160, 4360, 5200, 5450, 5668, 6400, 6656, 6976, 7085, 8320, 8720, 10400, 10900, 11336, 12800, 13952, 14170, 16640, 17440, 20800, 21800, 22672, 27904, 28340, 33280, 34880, 35425, 41600, 43600, 45344, 55808, 56680, 69760, 70850, 83200, 87200, 90688, 113360, 139520, 141700, 166400, 174400, 181376, 226720, 279040, 283400, 348800, 362752, 453440, 566800, 697600, 725504, 906880, 1133600, 1395200, 1813760, 2267200, 3627520, 4534400, 9068800, 18137600]

約数ペア:

[(1, 18137600), (2, 9068800), (4, 4534400), (5, 3627520), (8, 2267200), (10, 1813760), (13, 1395200), (16, 1133600), (20, 906880), (25, 725504), (26, 697600), (32, 566800), (40, 453440), (50, 362752), (52, 348800), (64, 283400), (65, 279040), (80, 226720), (100, 181376), (104, 174400), (109, 166400), (128, 141700), (130, 139520), (160, 113360), (200, 90688), (208, 87200), (218, 83200), (256, 70850), (260, 69760), (320, 56680), (325, 55808), (400, 45344), (416, 43600), (436, 41600), (512, 35425), (520, 34880), (545, 33280), (640, 28340), (650, 27904), (800, 22672), (832, 21800), (872, 20800), (1040, 17440), (1090, 16640), (1280, 14170), (1300, 13952), (1417, 12800), (1600, 11336), (1664, 10900), (1744, 10400), (2080, 8720), (2180, 8320), (2560, 7085), (2600, 6976), (2725, 6656), (2834, 6400), (3200, 5668), (3328, 5450), (3488, 5200), (4160, 4360)]