1216740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2897}}^1$

素因数の和:2916

約数の個数: 48

約数和(自身を含む): 3894912

約数和(自身を除く): 2678172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2897, 5794, 8691, 11588, 14485, 17382, 20279, 28970, 34764, 40558, 43455, 57940, 60837, 81116, 86910, 101395, 121674, 173820, 202790, 243348, 304185, 405580, 608370, 1216740]

約数ペア:

[(1, 1216740), (2, 608370), (3, 405580), (4, 304185), (5, 243348), (6, 202790), (7, 173820), (10, 121674), (12, 101395), (14, 86910), (15, 81116), (20, 60837), (21, 57940), (28, 43455), (30, 40558), (35, 34764), (42, 28970), (60, 20279), (70, 17382), (84, 14485), (105, 11588), (140, 8691), (210, 5794), (420, 2897)]