129709980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{720611}}^1$

素因数の和:720626

約数の個数: 36

約数和(自身を含む): 393454152

約数和(自身を除く): 263744172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 720611, 1441222, 2161833, 2882444, 3603055, 4323666, 6485499, 7206110, 8647332, 10809165, 12970998, 14412220, 21618330, 25941996, 32427495, 43236660, 64854990, 129709980]

約数ペア:

[(1, 129709980), (2, 64854990), (3, 43236660), (4, 32427495), (5, 25941996), (6, 21618330), (9, 14412220), (10, 12970998), (12, 10809165), (15, 8647332), (18, 7206110), (20, 6485499), (30, 4323666), (36, 3603055), (45, 2882444), (60, 2161833), (90, 1441222), (180, 720611)]