123291080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{280207}}^1$

素因数の和:280229

約数の個数: 32

約数和(自身を含む): 302624640

約数和(自身を除く): 179333560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 280207, 560414, 1120828, 1401035, 2241656, 2802070, 3082277, 5604140, 6164554, 11208280, 12329108, 15411385, 24658216, 30822770, 61645540, 123291080]

約数ペア:

[(1, 123291080), (2, 61645540), (4, 30822770), (5, 24658216), (8, 15411385), (10, 12329108), (11, 11208280), (20, 6164554), (22, 5604140), (40, 3082277), (44, 2802070), (55, 2241656), (88, 1401035), (110, 1120828), (220, 560414), (440, 280207)]