638070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{21269}}^1$

素因数の和:21279

約数の個数: 16

約数和(自身を含む): 1531440

約数和(自身を除く): 893370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 21269, 42538, 63807, 106345, 127614, 212690, 319035, 638070]

約数ペア:

[(1, 638070), (2, 319035), (3, 212690), (5, 127614), (6, 106345), (10, 63807), (15, 42538), (30, 21269)]