28722780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159571}}^1$

素因数の和:159586

約数の個数: 36

約数和(自身を含む): 87126312

約数和(自身を除く): 58403532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159571, 319142, 478713, 638284, 797855, 957426, 1436139, 1595710, 1914852, 2393565, 2872278, 3191420, 4787130, 5744556, 7180695, 9574260, 14361390, 28722780]

約数ペア:

[(1, 28722780), (2, 14361390), (3, 9574260), (4, 7180695), (5, 5744556), (6, 4787130), (9, 3191420), (10, 2872278), (12, 2393565), (15, 1914852), (18, 1595710), (20, 1436139), (30, 957426), (36, 797855), (45, 638284), (60, 478713), (90, 319142), (180, 159571)]