218212740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1212293}}^1$

素因数の和:1212308

約数の個数: 36

約数和(自身を含む): 661912524

約数和(自身を除く): 443699784

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1212293, 2424586, 3636879, 4849172, 6061465, 7273758, 10910637, 12122930, 14547516, 18184395, 21821274, 24245860, 36368790, 43642548, 54553185, 72737580, 109106370, 218212740]

約数ペア:

[(1, 218212740), (2, 109106370), (3, 72737580), (4, 54553185), (5, 43642548), (6, 36368790), (9, 24245860), (10, 21821274), (12, 18184395), (15, 14547516), (18, 12122930), (20, 10910637), (30, 7273758), (36, 6061465), (45, 4849172), (60, 3636879), (90, 2424586), (180, 1212293)]