15905120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1324

約数の個数: 96

約数和(自身を含む): 46884096

約数和(自身を除く): 30978976

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1291, 1540, 1760, 2464, 2582, 3080, 5164, 6160, 6455, 9037, 10328, 12320, 12910, 14201, 18074, 20656, 25820, 28402, 36148, 41312, 45185, 51640, 56804, 71005, 72296, 90370, 99407, 103280, 113608, 142010, 144592, 180740, 198814, 206560, 227216, 284020, 289184, 361480, 397628, 454432, 497035, 568040, 722960, 795256, 994070, 1136080, 1445920, 1590512, 1988140, 2272160, 3181024, 3976280, 7952560, 15905120]

約数ペア:

[(1, 15905120), (2, 7952560), (4, 3976280), (5, 3181024), (7, 2272160), (8, 1988140), (10, 1590512), (11, 1445920), (14, 1136080), (16, 994070), (20, 795256), (22, 722960), (28, 568040), (32, 497035), (35, 454432), (40, 397628), (44, 361480), (55, 289184), (56, 284020), (70, 227216), (77, 206560), (80, 198814), (88, 180740), (110, 144592), (112, 142010), (140, 113608), (154, 103280), (160, 99407), (176, 90370), (220, 72296), (224, 71005), (280, 56804), (308, 51640), (352, 45185), (385, 41312), (440, 36148), (560, 28402), (616, 25820), (770, 20656), (880, 18074), (1120, 14201), (1232, 12910), (1291, 12320), (1540, 10328), (1760, 9037), (2464, 6455), (2582, 6160), (3080, 5164)]