257587020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{477013}}^1$

素因数の和:477031

約数の個数: 48

約数和(自身を含む): 801383520

約数和(自身を除く): 543796500

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, 477013, 954026, 1431039, 1908052, 2385065, 2862078, 4293117, 4770130, 5724156, 7155195, 8586234, 9540260, 12879351, 14310390, 17172468, 21465585, 25758702, 28620780, 42931170, 51517404, 64396755, 85862340, 128793510, 257587020]

約数ペア:

[(1, 257587020), (2, 128793510), (3, 85862340), (4, 64396755), (5, 51517404), (6, 42931170), (9, 28620780), (10, 25758702), (12, 21465585), (15, 17172468), (18, 14310390), (20, 12879351), (27, 9540260), (30, 8586234), (36, 7155195), (45, 5724156), (54, 4770130), (60, 4293117), (90, 2862078), (108, 2385065), (135, 1908052), (180, 1431039), (270, 954026), (540, 477013)]