139980800

素因数分解:

$2^{12}\times 5^2\times {\mathrm{1367}}^1$

素因数の和:1401

約数の個数: 78

約数和(自身を含む): 347363928

約数和(自身を除く): 207383128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1367, 1600, 2048, 2560, 2734, 3200, 4096, 5120, 5468, 6400, 6835, 10240, 10936, 12800, 13670, 20480, 21872, 25600, 27340, 34175, 43744, 51200, 54680, 68350, 87488, 102400, 109360, 136700, 174976, 218720, 273400, 349952, 437440, 546800, 699904, 874880, 1093600, 1399808, 1749760, 2187200, 2799616, 3499520, 4374400, 5599232, 6999040, 8748800, 13998080, 17497600, 27996160, 34995200, 69990400, 139980800]

約数ペア:

[(1, 139980800), (2, 69990400), (4, 34995200), (5, 27996160), (8, 17497600), (10, 13998080), (16, 8748800), (20, 6999040), (25, 5599232), (32, 4374400), (40, 3499520), (50, 2799616), (64, 2187200), (80, 1749760), (100, 1399808), (128, 1093600), (160, 874880), (200, 699904), (256, 546800), (320, 437440), (400, 349952), (512, 273400), (640, 218720), (800, 174976), (1024, 136700), (1280, 109360), (1367, 102400), (1600, 87488), (2048, 68350), (2560, 54680), (2734, 51200), (3200, 43744), (4096, 34175), (5120, 27340), (5468, 25600), (6400, 21872), (6835, 20480), (10240, 13670), (10936, 12800)]