135980800

素因数分解:

$2^8\times 5^2\times {\mathrm{21247}}^1$

素因数の和:21273

約数の個数: 54

約数和(自身を含む): 336589568

約数和(自身を除く): 200608768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 21247, 42494, 84988, 106235, 169976, 212470, 339952, 424940, 531175, 679904, 849880, 1062350, 1359808, 1699760, 2124700, 2719616, 3399520, 4249400, 5439232, 6799040, 8498800, 13598080, 16997600, 27196160, 33995200, 67990400, 135980800]

約数ペア:

[(1, 135980800), (2, 67990400), (4, 33995200), (5, 27196160), (8, 16997600), (10, 13598080), (16, 8498800), (20, 6799040), (25, 5439232), (32, 4249400), (40, 3399520), (50, 2719616), (64, 2124700), (80, 1699760), (100, 1359808), (128, 1062350), (160, 849880), (200, 679904), (256, 531175), (320, 424940), (400, 339952), (640, 212470), (800, 169976), (1280, 106235), (1600, 84988), (3200, 42494), (6400, 21247)]