28666260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22751}}^1$

素因数の和:22773

約数の個数: 72

約数和(自身を含む): 99380736

約数和(自身を除く): 70714476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22751, 45502, 68253, 91004, 113755, 136506, 159257, 204759, 227510, 273012, 318514, 341265, 409518, 455020, 477771, 637028, 682530, 796285, 819036, 955542, 1023795, 1365060, 1433313, 1592570, 1911084, 2047590, 2388855, 2866626, 3185140, 4095180, 4777710, 5733252, 7166565, 9555420, 14333130, 28666260]

約数ペア:

[(1, 28666260), (2, 14333130), (3, 9555420), (4, 7166565), (5, 5733252), (6, 4777710), (7, 4095180), (9, 3185140), (10, 2866626), (12, 2388855), (14, 2047590), (15, 1911084), (18, 1592570), (20, 1433313), (21, 1365060), (28, 1023795), (30, 955542), (35, 819036), (36, 796285), (42, 682530), (45, 637028), (60, 477771), (63, 455020), (70, 409518), (84, 341265), (90, 318514), (105, 273012), (126, 227510), (140, 204759), (180, 159257), (210, 136506), (252, 113755), (315, 91004), (420, 68253), (630, 45502), (1260, 22751)]