209984640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{109367}}^1$

素因数の和:109389

約数の個数: 64

約数和(自身を含む): 669332160

約数和(自身を除く): 459347520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 109367, 218734, 328101, 437468, 546835, 656202, 874936, 1093670, 1312404, 1640505, 1749872, 2187340, 2624808, 3281010, 3499744, 4374680, 5249616, 6562020, 6999488, 8749360, 10499232, 13124040, 13998976, 17498720, 20998464, 26248080, 34997440, 41996928, 52496160, 69994880, 104992320, 209984640]

約数ペア:

[(1, 209984640), (2, 104992320), (3, 69994880), (4, 52496160), (5, 41996928), (6, 34997440), (8, 26248080), (10, 20998464), (12, 17498720), (15, 13998976), (16, 13124040), (20, 10499232), (24, 8749360), (30, 6999488), (32, 6562020), (40, 5249616), (48, 4374680), (60, 3499744), (64, 3281010), (80, 2624808), (96, 2187340), (120, 1749872), (128, 1640505), (160, 1312404), (192, 1093670), (240, 874936), (320, 656202), (384, 546835), (480, 437468), (640, 328101), (960, 218734), (1920, 109367)]