8790180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20929}}^1$

素因数の和:20948

約数の個数: 48

約数和(自身を含む): 28129920

約数和(自身を除く): 19339740

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, 20929, 41858, 62787, 83716, 104645, 125574, 146503, 209290, 251148, 293006, 313935, 418580, 439509, 586012, 627870, 732515, 879018, 1255740, 1465030, 1758036, 2197545, 2930060, 4395090, 8790180]

約数ペア:

[(1, 8790180), (2, 4395090), (3, 2930060), (4, 2197545), (5, 1758036), (6, 1465030), (7, 1255740), (10, 879018), (12, 732515), (14, 627870), (15, 586012), (20, 439509), (21, 418580), (28, 313935), (30, 293006), (35, 251148), (42, 209290), (60, 146503), (70, 125574), (84, 104645), (105, 83716), (140, 62787), (210, 41858), (420, 20929)]