78720072

素因数分解:

$2^3\times 3^1\times {\mathrm{3280003}}^1$

素因数の和:3280012

約数の個数: 16

約数和(自身を含む): 196800240

約数和(自身を除く): 118080168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 3280003, 6560006, 9840009, 13120012, 19680018, 26240024, 39360036, 78720072]

約数ペア:

[(1, 78720072), (2, 39360036), (3, 26240024), (4, 19680018), (6, 13120012), (8, 9840009), (12, 6560006), (24, 3280003)]