180407920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29287}}^1$

素因数の和:29318

約数の個数: 80

約数和(自身を含む): 522966528

約数和(自身を除く): 342558608

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, 29287, 58574, 117148, 146435, 205009, 234296, 292870, 322157, 410018, 468592, 585740, 644314, 820036, 1025045, 1171480, 1288628, 1610785, 1640072, 2050090, 2255099, 2342960, 2577256, 3221570, 3280144, 4100180, 4510198, 5154512, 6443140, 8200360, 9020396, 11275495, 12886280, 16400720, 18040792, 22550990, 25772560, 36081584, 45101980, 90203960, 180407920]

約数ペア:

[(1, 180407920), (2, 90203960), (4, 45101980), (5, 36081584), (7, 25772560), (8, 22550990), (10, 18040792), (11, 16400720), (14, 12886280), (16, 11275495), (20, 9020396), (22, 8200360), (28, 6443140), (35, 5154512), (40, 4510198), (44, 4100180), (55, 3280144), (56, 3221570), (70, 2577256), (77, 2342960), (80, 2255099), (88, 2050090), (110, 1640072), (112, 1610785), (140, 1288628), (154, 1171480), (176, 1025045), (220, 820036), (280, 644314), (308, 585740), (385, 468592), (440, 410018), (560, 322157), (616, 292870), (770, 234296), (880, 205009), (1232, 146435), (1540, 117148), (3080, 58574), (6160, 29287)]