78855540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1314259}}^1$

素因数の和:1314271

約数の個数: 24

約数和(自身を含む): 220795680

約数和(自身を除く): 141940140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1314259, 2628518, 3942777, 5257036, 6571295, 7885554, 13142590, 15771108, 19713885, 26285180, 39427770, 78855540]

約数ペア:

[(1, 78855540), (2, 39427770), (3, 26285180), (4, 19713885), (5, 15771108), (6, 13142590), (10, 7885554), (12, 6571295), (15, 5257036), (20, 3942777), (30, 2628518), (60, 1314259)]