81026520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{675221}}^1$

素因数の和:675235

約数の個数: 32

約数和(自身を含む): 243079920

約数和(自身を除く): 162053400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 675221, 1350442, 2025663, 2700884, 3376105, 4051326, 5401768, 6752210, 8102652, 10128315, 13504420, 16205304, 20256630, 27008840, 40513260, 81026520]

約数ペア:

[(1, 81026520), (2, 40513260), (3, 27008840), (4, 20256630), (5, 16205304), (6, 13504420), (8, 10128315), (10, 8102652), (12, 6752210), (15, 5401768), (20, 4051326), (24, 3376105), (30, 2700884), (40, 2025663), (60, 1350442), (120, 675221)]