8739780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20809}}^1$

素因数の和:20828

約数の個数: 48

約数和(自身を含む): 27968640

約数和(自身を除く): 19228860

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, 20809, 41618, 62427, 83236, 104045, 124854, 145663, 208090, 249708, 291326, 312135, 416180, 436989, 582652, 624270, 728315, 873978, 1248540, 1456630, 1747956, 2184945, 2913260, 4369890, 8739780]

約数ペア:

[(1, 8739780), (2, 4369890), (3, 2913260), (4, 2184945), (5, 1747956), (6, 1456630), (7, 1248540), (10, 873978), (12, 728315), (14, 624270), (15, 582652), (20, 436989), (21, 416180), (28, 312135), (30, 291326), (35, 249708), (42, 208090), (60, 145663), (70, 124854), (84, 104045), (105, 83236), (140, 62427), (210, 41618), (420, 20809)]