78506520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{654221}}^1$

素因数の和:654235

約数の個数: 32

約数和(自身を含む): 235519920

約数和(自身を除く): 157013400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 654221, 1308442, 1962663, 2616884, 3271105, 3925326, 5233768, 6542210, 7850652, 9813315, 13084420, 15701304, 19626630, 26168840, 39253260, 78506520]

約数ペア:

[(1, 78506520), (2, 39253260), (3, 26168840), (4, 19626630), (5, 15701304), (6, 13084420), (8, 9813315), (10, 7850652), (12, 6542210), (15, 5233768), (20, 3925326), (24, 3271105), (30, 2616884), (40, 1962663), (60, 1308442), (120, 654221)]