131720220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{731779}}^1$

素因数の和:731794

約数の個数: 36

約数和(自身を含む): 399551880

約数和(自身を除く): 267831660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 731779, 1463558, 2195337, 2927116, 3658895, 4390674, 6586011, 7317790, 8781348, 10976685, 13172022, 14635580, 21953370, 26344044, 32930055, 43906740, 65860110, 131720220]

約数ペア:

[(1, 131720220), (2, 65860110), (3, 43906740), (4, 32930055), (5, 26344044), (6, 21953370), (9, 14635580), (10, 13172022), (12, 10976685), (15, 8781348), (18, 7317790), (20, 6586011), (30, 4390674), (36, 3658895), (45, 2927116), (60, 2195337), (90, 1463558), (180, 731779)]