221484420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1230469}}^1$

素因数の和:1230484

約数の個数: 36

約数和(自身を含む): 671836620

約数和(自身を除く): 450352200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1230469, 2460938, 3691407, 4921876, 6152345, 7382814, 11074221, 12304690, 14765628, 18457035, 22148442, 24609380, 36914070, 44296884, 55371105, 73828140, 110742210, 221484420]

約数ペア:

[(1, 221484420), (2, 110742210), (3, 73828140), (4, 55371105), (5, 44296884), (6, 36914070), (9, 24609380), (10, 22148442), (12, 18457035), (15, 14765628), (18, 12304690), (20, 11074221), (30, 7382814), (36, 6152345), (45, 4921876), (60, 3691407), (90, 2460938), (180, 1230469)]