821405940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{76481}}^1$

素因数の和:76672

約数の個数: 48

約数和(自身を含む): 2312815680

約数和(自身を除く): 1491409740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 2148, 2685, 3580, 5370, 10740, 76481, 152962, 229443, 305924, 382405, 458886, 764810, 917772, 1147215, 1529620, 2294430, 4588860, 13690099, 27380198, 41070297, 54760396, 68450495, 82140594, 136900990, 164281188, 205351485, 273801980, 410702970, 821405940]

約数ペア:

[(1, 821405940), (2, 410702970), (3, 273801980), (4, 205351485), (5, 164281188), (6, 136900990), (10, 82140594), (12, 68450495), (15, 54760396), (20, 41070297), (30, 27380198), (60, 13690099), (179, 4588860), (358, 2294430), (537, 1529620), (716, 1147215), (895, 917772), (1074, 764810), (1790, 458886), (2148, 382405), (2685, 305924), (3580, 229443), (5370, 152962), (10740, 76481)]