720892770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1848443}}^1$

素因数の和:1848466

約数の個数: 32

約数和(自身を含む): 1863231552

約数和(自身を除く): 1142338782

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1848443, 3696886, 5545329, 9242215, 11090658, 18484430, 24029759, 27726645, 48059518, 55453290, 72089277, 120148795, 144178554, 240297590, 360446385, 720892770]

約数ペア:

[(1, 720892770), (2, 360446385), (3, 240297590), (5, 144178554), (6, 120148795), (10, 72089277), (13, 55453290), (15, 48059518), (26, 27726645), (30, 24029759), (39, 18484430), (65, 11090658), (78, 9242215), (130, 5545329), (195, 3696886), (390, 1848443)]