278082180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{514967}}^1$

素因数の和:514985

約数の個数: 48

約数和(自身を含む): 865146240

約数和(自身を除く): 587064060

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, 514967, 1029934, 1544901, 2059868, 2574835, 3089802, 4634703, 5149670, 6179604, 7724505, 9269406, 10299340, 13904109, 15449010, 18538812, 23173515, 27808218, 30898020, 46347030, 55616436, 69520545, 92694060, 139041090, 278082180]

約数ペア:

[(1, 278082180), (2, 139041090), (3, 92694060), (4, 69520545), (5, 55616436), (6, 46347030), (9, 30898020), (10, 27808218), (12, 23173515), (15, 18538812), (18, 15449010), (20, 13904109), (27, 10299340), (30, 9269406), (36, 7724505), (45, 6179604), (54, 5149670), (60, 4634703), (90, 3089802), (108, 2574835), (135, 2059868), (180, 1544901), (270, 1029934), (540, 514967)]