128317380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2138623}}^1$

素因数の和:2138635

約数の個数: 24

約数和(自身を含む): 359288832

約数和(自身を除く): 230971452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2138623, 4277246, 6415869, 8554492, 10693115, 12831738, 21386230, 25663476, 32079345, 42772460, 64158690, 128317380]

約数ペア:

[(1, 128317380), (2, 64158690), (3, 42772460), (4, 32079345), (5, 25663476), (6, 21386230), (10, 12831738), (12, 10693115), (15, 8554492), (20, 6415869), (30, 4277246), (60, 2138623)]