247980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4133}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 694512

約数和(自身を除く): 446532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4133, 8266, 12399, 16532, 20665, 24798, 41330, 49596, 61995, 82660, 123990, 247980]

約数ペア:

[(1, 247980), (2, 123990), (3, 82660), (4, 61995), (5, 49596), (6, 41330), (10, 24798), (12, 20665), (15, 16532), (20, 12399), (30, 8266), (60, 4133)]