161359980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2689333}}^1$

素因数の和:2689345

約数の個数: 24

約数和(自身を含む): 451808112

約数和(自身を除く): 290448132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2689333, 5378666, 8067999, 10757332, 13446665, 16135998, 26893330, 32271996, 40339995, 53786660, 80679990, 161359980]

約数ペア:

[(1, 161359980), (2, 80679990), (3, 53786660), (4, 40339995), (5, 32271996), (6, 26893330), (10, 16135998), (12, 13446665), (15, 10757332), (20, 8067999), (30, 5378666), (60, 2689333)]