78218520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{651821}}^1$

素因数の和:651835

約数の個数: 32

約数和(自身を含む): 234655920

約数和(自身を除く): 156437400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 651821, 1303642, 1955463, 2607284, 3259105, 3910926, 5214568, 6518210, 7821852, 9777315, 13036420, 15643704, 19554630, 26072840, 39109260, 78218520]

約数ペア:

[(1, 78218520), (2, 39109260), (3, 26072840), (4, 19554630), (5, 15643704), (6, 13036420), (8, 9777315), (10, 7821852), (12, 6518210), (15, 5214568), (20, 3910926), (24, 3259105), (30, 2607284), (40, 1955463), (60, 1303642), (120, 651821)]