2818740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 7983360

約数和(自身を除く): 5164620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 431, 436, 545, 654, 862, 1090, 1293, 1308, 1635, 1724, 2155, 2180, 2586, 3270, 4310, 5172, 6465, 6540, 8620, 12930, 25860, 46979, 93958, 140937, 187916, 234895, 281874, 469790, 563748, 704685, 939580, 1409370, 2818740]

約数ペア:

[(1, 2818740), (2, 1409370), (3, 939580), (4, 704685), (5, 563748), (6, 469790), (10, 281874), (12, 234895), (15, 187916), (20, 140937), (30, 93958), (60, 46979), (109, 25860), (218, 12930), (327, 8620), (431, 6540), (436, 6465), (545, 5172), (654, 4310), (862, 3270), (1090, 2586), (1293, 2180), (1308, 2155), (1635, 1724)]