72550400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 195495300

約数和(自身を除く): 122944900

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, 1024, 1040, 1090, 1280, 1300, 1417, 1600, 1664, 1744, 2048, 2080, 2180, 2560, 2600, 2725, 2834, 3200, 3328, 3488, 4160, 4360, 5120, 5200, 5450, 5668, 6400, 6656, 6976, 7085, 8320, 8720, 10240, 10400, 10900, 11336, 12800, 13312, 13952, 14170, 16640, 17440, 20800, 21800, 22672, 25600, 26624, 27904, 28340, 33280, 34880, 35425, 41600, 43600, 45344, 51200, 55808, 56680, 66560, 69760, 70850, 83200, 87200, 90688, 111616, 113360, 133120, 139520, 141700, 166400, 174400, 181376, 223232, 226720, 279040, 283400, 332800, 348800, 362752, 453440, 558080, 566800, 665600, 697600, 725504, 906880, 1116160, 1133600, 1395200, 1451008, 1813760, 2267200, 2790400, 2902016, 3627520, 4534400, 5580800, 7255040, 9068800, 14510080, 18137600, 36275200, 72550400]

約数ペア:

[(1, 72550400), (2, 36275200), (4, 18137600), (5, 14510080), (8, 9068800), (10, 7255040), (13, 5580800), (16, 4534400), (20, 3627520), (25, 2902016), (26, 2790400), (32, 2267200), (40, 1813760), (50, 1451008), (52, 1395200), (64, 1133600), (65, 1116160), (80, 906880), (100, 725504), (104, 697600), (109, 665600), (128, 566800), (130, 558080), (160, 453440), (200, 362752), (208, 348800), (218, 332800), (256, 283400), (260, 279040), (320, 226720), (325, 223232), (400, 181376), (416, 174400), (436, 166400), (512, 141700), (520, 139520), (545, 133120), (640, 113360), (650, 111616), (800, 90688), (832, 87200), (872, 83200), (1024, 70850), (1040, 69760), (1090, 66560), (1280, 56680), (1300, 55808), (1417, 51200), (1600, 45344), (1664, 43600), (1744, 41600), (2048, 35425), (2080, 34880), (2180, 33280), (2560, 28340), (2600, 27904), (2725, 26624), (2834, 25600), (3200, 22672), (3328, 21800), (3488, 20800), (4160, 17440), (4360, 16640), (5120, 14170), (5200, 13952), (5450, 13312), (5668, 12800), (6400, 11336), (6656, 10900), (6976, 10400), (7085, 10240), (8320, 8720)]