205254960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{855229}}^1$

素因数の和:855245

約数の個数: 40

約数和(自身を含む): 636291120

約数和(自身を除く): 431036160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 855229, 1710458, 2565687, 3420916, 4276145, 5131374, 6841832, 8552290, 10262748, 12828435, 13683664, 17104580, 20525496, 25656870, 34209160, 41050992, 51313740, 68418320, 102627480, 205254960]

約数ペア:

[(1, 205254960), (2, 102627480), (3, 68418320), (4, 51313740), (5, 41050992), (6, 34209160), (8, 25656870), (10, 20525496), (12, 17104580), (15, 13683664), (16, 12828435), (20, 10262748), (24, 8552290), (30, 6841832), (40, 5131374), (48, 4276145), (60, 3420916), (80, 2565687), (120, 1710458), (240, 855229)]