642227370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{21407579}}^1$

素因数の和:21407589

約数の個数: 16

約数和(自身を含む): 1541345760

約数和(自身を除く): 899118390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 21407579, 42815158, 64222737, 107037895, 128445474, 214075790, 321113685, 642227370]

約数ペア:

[(1, 642227370), (2, 321113685), (3, 214075790), (5, 128445474), (6, 107037895), (10, 64222737), (15, 42815158), (30, 21407579)]