71348220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396379}}^1$

素因数の和:396394

約数の個数: 36

約数和(自身を含む): 216423480

約数和(自身を除く): 145075260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396379, 792758, 1189137, 1585516, 1981895, 2378274, 3567411, 3963790, 4756548, 5945685, 7134822, 7927580, 11891370, 14269644, 17837055, 23782740, 35674110, 71348220]

約数ペア:

[(1, 71348220), (2, 35674110), (3, 23782740), (4, 17837055), (5, 14269644), (6, 11891370), (9, 7927580), (10, 7134822), (12, 5945685), (15, 4756548), (18, 3963790), (20, 3567411), (30, 2378274), (36, 1981895), (45, 1585516), (60, 1189137), (90, 792758), (180, 396379)]