261039780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{483407}}^1$

素因数の和:483425

約数の個数: 48

約数和(自身を含む): 812125440

約数和(自身を除く): 551085660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 483407, 966814, 1450221, 1933628, 2417035, 2900442, 4350663, 4834070, 5800884, 7251105, 8701326, 9668140, 13051989, 14502210, 17402652, 21753315, 26103978, 29004420, 43506630, 52207956, 65259945, 87013260, 130519890, 261039780]

約数ペア:

[(1, 261039780), (2, 130519890), (3, 87013260), (4, 65259945), (5, 52207956), (6, 43506630), (9, 29004420), (10, 26103978), (12, 21753315), (15, 17402652), (18, 14502210), (20, 13051989), (27, 9668140), (30, 8701326), (36, 7251105), (45, 5800884), (54, 4834070), (60, 4350663), (90, 2900442), (108, 2417035), (135, 1933628), (180, 1450221), (270, 966814), (540, 483407)]