128964800

素因数分解:

$2^6\times 5^2\times {\mathrm{80603}}^1$

素因数の和:80625

約数の個数: 42

約数和(自身を含む): 317337948

約数和(自身を除く): 188373148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 80603, 161206, 322412, 403015, 644824, 806030, 1289648, 1612060, 2015075, 2579296, 3224120, 4030150, 5158592, 6448240, 8060300, 12896480, 16120600, 25792960, 32241200, 64482400, 128964800]

約数ペア:

[(1, 128964800), (2, 64482400), (4, 32241200), (5, 25792960), (8, 16120600), (10, 12896480), (16, 8060300), (20, 6448240), (25, 5158592), (32, 4030150), (40, 3224120), (50, 2579296), (64, 2015075), (80, 1612060), (100, 1289648), (160, 806030), (200, 644824), (320, 403015), (400, 322412), (800, 161206), (1600, 80603)]