7997940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{4937}}^1$

素因数の和:4958

約数の個数: 60

約数和(自身を含む): 25094916

約数和(自身を除く): 17096976

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 4937, 9874, 14811, 19748, 24685, 29622, 44433, 49370, 59244, 74055, 88866, 98740, 133299, 148110, 177732, 222165, 266598, 296220, 399897, 444330, 533196, 666495, 799794, 888660, 1332990, 1599588, 1999485, 2665980, 3998970, 7997940]

約数ペア:

[(1, 7997940), (2, 3998970), (3, 2665980), (4, 1999485), (5, 1599588), (6, 1332990), (9, 888660), (10, 799794), (12, 666495), (15, 533196), (18, 444330), (20, 399897), (27, 296220), (30, 266598), (36, 222165), (45, 177732), (54, 148110), (60, 133299), (81, 98740), (90, 88866), (108, 74055), (135, 59244), (162, 49370), (180, 44433), (270, 29622), (324, 24685), (405, 19748), (540, 14811), (810, 9874), (1620, 4937)]