51942780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{288571}}^1$

素因数の和:288586

約数の個数: 36

約数和(自身を含む): 157560312

約数和(自身を除く): 105617532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 288571, 577142, 865713, 1154284, 1442855, 1731426, 2597139, 2885710, 3462852, 4328565, 5194278, 5771420, 8657130, 10388556, 12985695, 17314260, 25971390, 51942780]

約数ペア:

[(1, 51942780), (2, 25971390), (3, 17314260), (4, 12985695), (5, 10388556), (6, 8657130), (9, 5771420), (10, 5194278), (12, 4328565), (15, 3462852), (18, 2885710), (20, 2597139), (30, 1731426), (36, 1442855), (45, 1154284), (60, 865713), (90, 577142), (180, 288571)]