161205540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2686759}}^1$

素因数の和:2686771

約数の個数: 24

約数和(自身を含む): 451375680

約数和(自身を除く): 290170140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2686759, 5373518, 8060277, 10747036, 13433795, 16120554, 26867590, 32241108, 40301385, 53735180, 80602770, 161205540]

約数ペア:

[(1, 161205540), (2, 80602770), (3, 53735180), (4, 40301385), (5, 32241108), (6, 26867590), (10, 16120554), (12, 13433795), (15, 10747036), (20, 8060277), (30, 5373518), (60, 2686759)]