645200070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{21506669}}^1$

素因数の和:21506679

約数の個数: 16

約数和(自身を含む): 1548480240

約数和(自身を除く): 903280170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 21506669, 43013338, 64520007, 107533345, 129040014, 215066690, 322600035, 645200070]

約数ペア:

[(1, 645200070), (2, 322600035), (3, 215066690), (5, 129040014), (6, 107533345), (10, 64520007), (15, 43013338), (30, 21506669)]