320400075

素因数分解:

$3^1\times 5^2\times {\mathrm{4272001}}^1$

素因数の和:4272014

約数の個数: 12

約数和(自身を含む): 529728248

約数和(自身を除く): 209328173

約数列:

[1, 3, 5, 15, 25, 75, 4272001, 12816003, 21360005, 64080015, 106800025, 320400075]

約数ペア:

[(1, 320400075), (3, 106800025), (5, 64080015), (15, 21360005), (25, 12816003), (75, 4272001)]