19532800

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{109}}^1$

素因数の和:146

約数の個数: 132

約数和(自身を含む): 55842160

約数和(自身を除く): 36309360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 109, 112, 128, 140, 160, 175, 200, 218, 224, 256, 280, 320, 350, 400, 436, 448, 512, 545, 560, 640, 700, 763, 800, 872, 896, 1024, 1090, 1120, 1280, 1400, 1526, 1600, 1744, 1792, 2180, 2240, 2560, 2725, 2800, 3052, 3200, 3488, 3584, 3815, 4360, 4480, 5120, 5450, 5600, 6104, 6400, 6976, 7168, 7630, 8720, 8960, 10900, 11200, 12208, 12800, 13952, 15260, 17440, 17920, 19075, 21800, 22400, 24416, 25600, 27904, 30520, 34880, 35840, 38150, 43600, 44800, 48832, 55808, 61040, 69760, 76300, 87200, 89600, 97664, 111616, 122080, 139520, 152600, 174400, 179200, 195328, 244160, 279040, 305200, 348800, 390656, 488320, 558080, 610400, 697600, 781312, 976640, 1220800, 1395200, 1953280, 2441600, 2790400, 3906560, 4883200, 9766400, 19532800]

約数ペア:

[(1, 19532800), (2, 9766400), (4, 4883200), (5, 3906560), (7, 2790400), (8, 2441600), (10, 1953280), (14, 1395200), (16, 1220800), (20, 976640), (25, 781312), (28, 697600), (32, 610400), (35, 558080), (40, 488320), (50, 390656), (56, 348800), (64, 305200), (70, 279040), (80, 244160), (100, 195328), (109, 179200), (112, 174400), (128, 152600), (140, 139520), (160, 122080), (175, 111616), (200, 97664), (218, 89600), (224, 87200), (256, 76300), (280, 69760), (320, 61040), (350, 55808), (400, 48832), (436, 44800), (448, 43600), (512, 38150), (545, 35840), (560, 34880), (640, 30520), (700, 27904), (763, 25600), (800, 24416), (872, 22400), (896, 21800), (1024, 19075), (1090, 17920), (1120, 17440), (1280, 15260), (1400, 13952), (1526, 12800), (1600, 12208), (1744, 11200), (1792, 10900), (2180, 8960), (2240, 8720), (2560, 7630), (2725, 7168), (2800, 6976), (3052, 6400), (3200, 6104), (3488, 5600), (3584, 5450), (3815, 5120), (4360, 4480)]