7962780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{18959}}^1$

素因数の和:18978

約数の個数: 48

約数和(自身を含む): 25482240

約数和(自身を除く): 17519460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 18959, 37918, 56877, 75836, 94795, 113754, 132713, 189590, 227508, 265426, 284385, 379180, 398139, 530852, 568770, 663565, 796278, 1137540, 1327130, 1592556, 1990695, 2654260, 3981390, 7962780]

約数ペア:

[(1, 7962780), (2, 3981390), (3, 2654260), (4, 1990695), (5, 1592556), (6, 1327130), (7, 1137540), (10, 796278), (12, 663565), (14, 568770), (15, 530852), (20, 398139), (21, 379180), (28, 284385), (30, 265426), (35, 227508), (42, 189590), (60, 132713), (70, 113754), (84, 94795), (105, 75836), (140, 56877), (210, 37918), (420, 18959)]