80866870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 172440576

約数和(自身を除く): 91573706

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 71, 106, 142, 265, 307, 355, 371, 497, 530, 614, 710, 742, 994, 1535, 1855, 2149, 2485, 3070, 3710, 3763, 4298, 4970, 7526, 10745, 16271, 18815, 21490, 21797, 26341, 32542, 37630, 43594, 52682, 81355, 108985, 113897, 131705, 152579, 162710, 217970, 227794, 263410, 305158, 569485, 762895, 1138970, 1155241, 1525790, 2310482, 5776205, 8086687, 11552410, 16173374, 40433435, 80866870]

約数ペア:

[(1, 80866870), (2, 40433435), (5, 16173374), (7, 11552410), (10, 8086687), (14, 5776205), (35, 2310482), (53, 1525790), (70, 1155241), (71, 1138970), (106, 762895), (142, 569485), (265, 305158), (307, 263410), (355, 227794), (371, 217970), (497, 162710), (530, 152579), (614, 131705), (710, 113897), (742, 108985), (994, 81355), (1535, 52682), (1855, 43594), (2149, 37630), (2485, 32542), (3070, 26341), (3710, 21797), (3763, 21490), (4298, 18815), (4970, 16271), (7526, 10745)]