71739780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170809}}^1$

素因数の和:170828

約数の個数: 48

約数和(自身を含む): 229568640

約数和(自身を除く): 157828860

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, 170809, 341618, 512427, 683236, 854045, 1024854, 1195663, 1708090, 2049708, 2391326, 2562135, 3416180, 3586989, 4782652, 5124270, 5978315, 7173978, 10248540, 11956630, 14347956, 17934945, 23913260, 35869890, 71739780]

約数ペア:

[(1, 71739780), (2, 35869890), (3, 23913260), (4, 17934945), (5, 14347956), (6, 11956630), (7, 10248540), (10, 7173978), (12, 5978315), (14, 5124270), (15, 4782652), (20, 3586989), (21, 3416180), (28, 2562135), (30, 2391326), (35, 2049708), (42, 1708090), (60, 1195663), (70, 1024854), (84, 854045), (105, 683236), (140, 512427), (210, 341618), (420, 170809)]