121440560

素因数分解:

$2^4\times 5^1\times {\mathrm{1518007}}^1$

素因数の和:1518020

約数の個数: 20

約数和(自身を含む): 282349488

約数和(自身を除く): 160908928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1518007, 3036014, 6072028, 7590035, 12144056, 15180070, 24288112, 30360140, 60720280, 121440560]

約数ペア:

[(1, 121440560), (2, 60720280), (4, 30360140), (5, 24288112), (8, 15180070), (10, 12144056), (16, 7590035), (20, 6072028), (40, 3036014), (80, 1518007)]