221878260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1232657}}^1$

素因数の和:1232672

約数の個数: 36

約数和(自身を含む): 673031268

約数和(自身を除く): 451153008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1232657, 2465314, 3697971, 4930628, 6163285, 7395942, 11093913, 12326570, 14791884, 18489855, 22187826, 24653140, 36979710, 44375652, 55469565, 73959420, 110939130, 221878260]

約数ペア:

[(1, 221878260), (2, 110939130), (3, 73959420), (4, 55469565), (5, 44375652), (6, 36979710), (9, 24653140), (10, 22187826), (12, 18489855), (15, 14791884), (18, 12326570), (20, 11093913), (30, 7395942), (36, 6163285), (45, 4930628), (60, 3697971), (90, 2465314), (180, 1232657)]