491576220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2730979}}^1$

素因数の和:2730994

約数の個数: 36

約数和(自身を含む): 1491115080

約数和(自身を除く): 999538860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2730979, 5461958, 8192937, 10923916, 13654895, 16385874, 24578811, 27309790, 32771748, 40964685, 49157622, 54619580, 81929370, 98315244, 122894055, 163858740, 245788110, 491576220]

約数ペア:

[(1, 491576220), (2, 245788110), (3, 163858740), (4, 122894055), (5, 98315244), (6, 81929370), (9, 54619580), (10, 49157622), (12, 40964685), (15, 32771748), (18, 27309790), (20, 24578811), (30, 16385874), (36, 13654895), (45, 10923916), (60, 8192937), (90, 5461958), (180, 2730979)]