1259200

素因数分解:

$2^6\times 5^2\times {\mathrm{787}}^1$

素因数の和:809

約数の個数: 42

約数和(自身を含む): 3102356

約数和(自身を除く): 1843156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 787, 800, 1574, 1600, 3148, 3935, 6296, 7870, 12592, 15740, 19675, 25184, 31480, 39350, 50368, 62960, 78700, 125920, 157400, 251840, 314800, 629600, 1259200]

約数ペア:

[(1, 1259200), (2, 629600), (4, 314800), (5, 251840), (8, 157400), (10, 125920), (16, 78700), (20, 62960), (25, 50368), (32, 39350), (40, 31480), (50, 25184), (64, 19675), (80, 15740), (100, 12592), (160, 7870), (200, 6296), (320, 3935), (400, 3148), (787, 1600), (800, 1574)]