78865740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438143}}^1$

素因数の和:438158

約数の個数: 36

約数和(自身を含む): 239226624

約数和(自身を除く): 160360884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438143, 876286, 1314429, 1752572, 2190715, 2628858, 3943287, 4381430, 5257716, 6572145, 7886574, 8762860, 13144290, 15773148, 19716435, 26288580, 39432870, 78865740]

約数ペア:

[(1, 78865740), (2, 39432870), (3, 26288580), (4, 19716435), (5, 15773148), (6, 13144290), (9, 8762860), (10, 7886574), (12, 6572145), (15, 5257716), (18, 4381430), (20, 3943287), (30, 2628858), (36, 2190715), (45, 1752572), (60, 1314429), (90, 876286), (180, 438143)]