27978780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1321}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 78621984

約数和(自身を除く): 50643204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 1059, 1321, 1412, 1765, 2118, 2642, 3530, 3963, 4236, 5284, 5295, 6605, 7060, 7926, 10590, 13210, 15852, 19815, 21180, 26420, 39630, 79260, 466313, 932626, 1398939, 1865252, 2331565, 2797878, 4663130, 5595756, 6994695, 9326260, 13989390, 27978780]

約数ペア:

[(1, 27978780), (2, 13989390), (3, 9326260), (4, 6994695), (5, 5595756), (6, 4663130), (10, 2797878), (12, 2331565), (15, 1865252), (20, 1398939), (30, 932626), (60, 466313), (353, 79260), (706, 39630), (1059, 26420), (1321, 21180), (1412, 19815), (1765, 15852), (2118, 13210), (2642, 10590), (3530, 7926), (3963, 7060), (4236, 6605), (5284, 5295)]