2689860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 7612416

約数和(自身を除く): 4922556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 353, 381, 508, 635, 706, 762, 1059, 1270, 1412, 1524, 1765, 1905, 2118, 2540, 3530, 3810, 4236, 5295, 7060, 7620, 10590, 21180, 44831, 89662, 134493, 179324, 224155, 268986, 448310, 537972, 672465, 896620, 1344930, 2689860]

約数ペア:

[(1, 2689860), (2, 1344930), (3, 896620), (4, 672465), (5, 537972), (6, 448310), (10, 268986), (12, 224155), (15, 179324), (20, 134493), (30, 89662), (60, 44831), (127, 21180), (254, 10590), (353, 7620), (381, 7060), (508, 5295), (635, 4236), (706, 3810), (762, 3530), (1059, 2540), (1270, 2118), (1412, 1905), (1524, 1765)]