420192080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68213}}^1$

素因数の和:68244

約数の個数: 80

約数和(自身を含む): 1218029184

約数和(自身を除く): 797837104

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 68213, 136426, 272852, 341065, 477491, 545704, 682130, 750343, 954982, 1091408, 1364260, 1500686, 1909964, 2387455, 2728520, 3001372, 3751715, 3819928, 4774910, 5252401, 5457040, 6002744, 7503430, 7639856, 9549820, 10504802, 12005488, 15006860, 19099640, 21009604, 26262005, 30013720, 38199280, 42019208, 52524010, 60027440, 84038416, 105048020, 210096040, 420192080]

約数ペア:

[(1, 420192080), (2, 210096040), (4, 105048020), (5, 84038416), (7, 60027440), (8, 52524010), (10, 42019208), (11, 38199280), (14, 30013720), (16, 26262005), (20, 21009604), (22, 19099640), (28, 15006860), (35, 12005488), (40, 10504802), (44, 9549820), (55, 7639856), (56, 7503430), (70, 6002744), (77, 5457040), (80, 5252401), (88, 4774910), (110, 3819928), (112, 3751715), (140, 3001372), (154, 2728520), (176, 2387455), (220, 1909964), (280, 1500686), (308, 1364260), (385, 1091408), (440, 954982), (560, 750343), (616, 682130), (770, 545704), (880, 477491), (1232, 341065), (1540, 272852), (3080, 136426), (6160, 68213)]