56181780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{312121}}^1$

素因数の和:312136

約数の個数: 36

約数和(自身を含む): 170418612

約数和(自身を除く): 114236832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 312121, 624242, 936363, 1248484, 1560605, 1872726, 2809089, 3121210, 3745452, 4681815, 5618178, 6242420, 9363630, 11236356, 14045445, 18727260, 28090890, 56181780]

約数ペア:

[(1, 56181780), (2, 28090890), (3, 18727260), (4, 14045445), (5, 11236356), (6, 9363630), (9, 6242420), (10, 5618178), (12, 4681815), (15, 3745452), (18, 3121210), (20, 2809089), (30, 1872726), (36, 1560605), (45, 1248484), (60, 936363), (90, 624242), (180, 312121)]