90688000

素因数分解:

$2^9\times 5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 160

約数和(自身を含む): 245765520

約数和(自身を除く): 155077520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 109, 125, 128, 130, 160, 200, 208, 218, 250, 256, 260, 320, 325, 400, 416, 436, 500, 512, 520, 545, 640, 650, 800, 832, 872, 1000, 1040, 1090, 1280, 1300, 1417, 1600, 1625, 1664, 1744, 2000, 2080, 2180, 2560, 2600, 2725, 2834, 3200, 3250, 3328, 3488, 4000, 4160, 4360, 5200, 5450, 5668, 6400, 6500, 6656, 6976, 7085, 8000, 8320, 8720, 10400, 10900, 11336, 12800, 13000, 13625, 13952, 14170, 16000, 16640, 17440, 20800, 21800, 22672, 26000, 27250, 27904, 28340, 32000, 33280, 34880, 35425, 41600, 43600, 45344, 52000, 54500, 55808, 56680, 64000, 69760, 70850, 83200, 87200, 90688, 104000, 109000, 113360, 139520, 141700, 166400, 174400, 177125, 181376, 208000, 218000, 226720, 279040, 283400, 348800, 354250, 362752, 416000, 436000, 453440, 566800, 697600, 708500, 725504, 832000, 872000, 906880, 1133600, 1395200, 1417000, 1744000, 1813760, 2267200, 2834000, 3488000, 3627520, 4534400, 5668000, 6976000, 9068800, 11336000, 18137600, 22672000, 45344000, 90688000]

約数ペア:

[(1, 90688000), (2, 45344000), (4, 22672000), (5, 18137600), (8, 11336000), (10, 9068800), (13, 6976000), (16, 5668000), (20, 4534400), (25, 3627520), (26, 3488000), (32, 2834000), (40, 2267200), (50, 1813760), (52, 1744000), (64, 1417000), (65, 1395200), (80, 1133600), (100, 906880), (104, 872000), (109, 832000), (125, 725504), (128, 708500), (130, 697600), (160, 566800), (200, 453440), (208, 436000), (218, 416000), (250, 362752), (256, 354250), (260, 348800), (320, 283400), (325, 279040), (400, 226720), (416, 218000), (436, 208000), (500, 181376), (512, 177125), (520, 174400), (545, 166400), (640, 141700), (650, 139520), (800, 113360), (832, 109000), (872, 104000), (1000, 90688), (1040, 87200), (1090, 83200), (1280, 70850), (1300, 69760), (1417, 64000), (1600, 56680), (1625, 55808), (1664, 54500), (1744, 52000), (2000, 45344), (2080, 43600), (2180, 41600), (2560, 35425), (2600, 34880), (2725, 33280), (2834, 32000), (3200, 28340), (3250, 27904), (3328, 27250), (3488, 26000), (4000, 22672), (4160, 21800), (4360, 20800), (5200, 17440), (5450, 16640), (5668, 16000), (6400, 14170), (6500, 13952), (6656, 13625), (6976, 13000), (7085, 12800), (8000, 11336), (8320, 10900), (8720, 10400)]