278708520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2322571}}^1$

素因数の和:2322585

約数の個数: 32

約数和(自身を含む): 836125920

約数和(自身を除く): 557417400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2322571, 4645142, 6967713, 9290284, 11612855, 13935426, 18580568, 23225710, 27870852, 34838565, 46451420, 55741704, 69677130, 92902840, 139354260, 278708520]

約数ペア:

[(1, 278708520), (2, 139354260), (3, 92902840), (4, 69677130), (5, 55741704), (6, 46451420), (8, 34838565), (10, 27870852), (12, 23225710), (15, 18580568), (20, 13935426), (24, 11612855), (30, 9290284), (40, 6967713), (60, 4645142), (120, 2322571)]