1288020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21467}}^1$

素因数の和:21479

約数の個数: 24

約数和(自身を含む): 3606624

約数和(自身を除く): 2318604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21467, 42934, 64401, 85868, 107335, 128802, 214670, 257604, 322005, 429340, 644010, 1288020]

約数ペア:

[(1, 1288020), (2, 644010), (3, 429340), (4, 322005), (5, 257604), (6, 214670), (10, 128802), (12, 107335), (15, 85868), (20, 64401), (30, 42934), (60, 21467)]