82800420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1380007}}^1$

素因数の和:1380019

約数の個数: 24

約数和(自身を含む): 231841344

約数和(自身を除く): 149040924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1380007, 2760014, 4140021, 5520028, 6900035, 8280042, 13800070, 16560084, 20700105, 27600140, 41400210, 82800420]

約数ペア:

[(1, 82800420), (2, 41400210), (3, 27600140), (4, 20700105), (5, 16560084), (6, 13800070), (10, 8280042), (12, 6900035), (15, 5520028), (20, 4140021), (30, 2760014), (60, 1380007)]