239340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3989}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 670320

約数和(自身を除く): 430980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3989, 7978, 11967, 15956, 19945, 23934, 39890, 47868, 59835, 79780, 119670, 239340]

約数ペア:

[(1, 239340), (2, 119670), (3, 79780), (4, 59835), (5, 47868), (6, 39890), (10, 23934), (12, 19945), (15, 15956), (20, 11967), (30, 7978), (60, 3989)]