257086260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1428257}}^1$

素因数の和:1428272

約数の個数: 36

約数和(自身を含む): 779828868

約数和(自身を除く): 522742608

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1428257, 2856514, 4284771, 5713028, 7141285, 8569542, 12854313, 14282570, 17139084, 21423855, 25708626, 28565140, 42847710, 51417252, 64271565, 85695420, 128543130, 257086260]

約数ペア:

[(1, 257086260), (2, 128543130), (3, 85695420), (4, 64271565), (5, 51417252), (6, 42847710), (9, 28565140), (10, 25708626), (12, 21423855), (15, 17139084), (18, 14282570), (20, 12854313), (30, 8569542), (36, 7141285), (45, 5713028), (60, 4284771), (90, 2856514), (180, 1428257)]