520830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{643}}^1$

素因数の和:662

約数の個数: 40

約数和(自身を含む): 1402632

約数和(自身を除く): 881802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 643, 810, 1286, 1929, 3215, 3858, 5787, 6430, 9645, 11574, 17361, 19290, 28935, 34722, 52083, 57870, 86805, 104166, 173610, 260415, 520830]

約数ペア:

[(1, 520830), (2, 260415), (3, 173610), (5, 104166), (6, 86805), (9, 57870), (10, 52083), (15, 34722), (18, 28935), (27, 19290), (30, 17361), (45, 11574), (54, 9645), (81, 6430), (90, 5787), (135, 3858), (162, 3215), (270, 1929), (405, 1286), (643, 810)]