347220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{643}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 1081920

約数和(自身を除く): 734700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 643, 1286, 1929, 2572, 3215, 3858, 5787, 6430, 7716, 9645, 11574, 12860, 17361, 19290, 23148, 28935, 34722, 38580, 57870, 69444, 86805, 115740, 173610, 347220]

約数ペア:

[(1, 347220), (2, 173610), (3, 115740), (4, 86805), (5, 69444), (6, 57870), (9, 38580), (10, 34722), (12, 28935), (15, 23148), (18, 19290), (20, 17361), (27, 12860), (30, 11574), (36, 9645), (45, 7716), (54, 6430), (60, 5787), (90, 3858), (108, 3215), (135, 2572), (180, 1929), (270, 1286), (540, 643)]