71852800

素因数分解:

$2^8\times 5^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 108

約数和(自身を含む): 181221040

約数和(自身を除く): 109368240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 109, 128, 160, 200, 206, 218, 256, 320, 400, 412, 436, 515, 545, 640, 800, 824, 872, 1030, 1090, 1280, 1600, 1648, 1744, 2060, 2180, 2575, 2725, 3200, 3296, 3488, 4120, 4360, 5150, 5450, 6400, 6592, 6976, 8240, 8720, 10300, 10900, 11227, 13184, 13952, 16480, 17440, 20600, 21800, 22454, 26368, 27904, 32960, 34880, 41200, 43600, 44908, 56135, 65920, 69760, 82400, 87200, 89816, 112270, 131840, 139520, 164800, 174400, 179632, 224540, 280675, 329600, 348800, 359264, 449080, 561350, 659200, 697600, 718528, 898160, 1122700, 1437056, 1796320, 2245400, 2874112, 3592640, 4490800, 7185280, 8981600, 14370560, 17963200, 35926400, 71852800]

約数ペア:

[(1, 71852800), (2, 35926400), (4, 17963200), (5, 14370560), (8, 8981600), (10, 7185280), (16, 4490800), (20, 3592640), (25, 2874112), (32, 2245400), (40, 1796320), (50, 1437056), (64, 1122700), (80, 898160), (100, 718528), (103, 697600), (109, 659200), (128, 561350), (160, 449080), (200, 359264), (206, 348800), (218, 329600), (256, 280675), (320, 224540), (400, 179632), (412, 174400), (436, 164800), (515, 139520), (545, 131840), (640, 112270), (800, 89816), (824, 87200), (872, 82400), (1030, 69760), (1090, 65920), (1280, 56135), (1600, 44908), (1648, 43600), (1744, 41200), (2060, 34880), (2180, 32960), (2575, 27904), (2725, 26368), (3200, 22454), (3296, 21800), (3488, 20600), (4120, 17440), (4360, 16480), (5150, 13952), (5450, 13184), (6400, 11227), (6592, 10900), (6976, 10300), (8240, 8720)]