898020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1663}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 2795520

約数和(自身を除く): 1897500

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, 1663, 3326, 4989, 6652, 8315, 9978, 14967, 16630, 19956, 24945, 29934, 33260, 44901, 49890, 59868, 74835, 89802, 99780, 149670, 179604, 224505, 299340, 449010, 898020]

約数ペア:

[(1, 898020), (2, 449010), (3, 299340), (4, 224505), (5, 179604), (6, 149670), (9, 99780), (10, 89802), (12, 74835), (15, 59868), (18, 49890), (20, 44901), (27, 33260), (30, 29934), (36, 24945), (45, 19956), (54, 16630), (60, 14967), (90, 9978), (108, 8315), (135, 6652), (180, 4989), (270, 3326), (540, 1663)]