220848660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{408979}}^1$

素因数の和:408997

約数の個数: 48

約数和(自身を含む): 687086400

約数和(自身を除く): 466237740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 408979, 817958, 1226937, 1635916, 2044895, 2453874, 3680811, 4089790, 4907748, 6134685, 7361622, 8179580, 11042433, 12269370, 14723244, 18404055, 22084866, 24538740, 36808110, 44169732, 55212165, 73616220, 110424330, 220848660]

約数ペア:

[(1, 220848660), (2, 110424330), (3, 73616220), (4, 55212165), (5, 44169732), (6, 36808110), (9, 24538740), (10, 22084866), (12, 18404055), (15, 14723244), (18, 12269370), (20, 11042433), (27, 8179580), (30, 7361622), (36, 6134685), (45, 4907748), (54, 4089790), (60, 3680811), (90, 2453874), (108, 2044895), (135, 1635916), (180, 1226937), (270, 817958), (540, 408979)]