30810885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 61254144

約数和(自身を除く): 30443259

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 287, 357, 421, 595, 615, 697, 861, 1263, 1435, 1785, 2091, 2105, 2947, 3485, 4305, 4879, 6315, 7157, 8841, 10455, 14637, 14735, 17261, 21471, 24395, 35785, 44205, 50099, 51783, 73185, 86305, 107355, 120827, 150297, 250495, 258915, 293437, 362481, 604135, 751485, 880311, 1467185, 1812405, 2054059, 4401555, 6162177, 10270295, 30810885]

約数ペア:

[(1, 30810885), (3, 10270295), (5, 6162177), (7, 4401555), (15, 2054059), (17, 1812405), (21, 1467185), (35, 880311), (41, 751485), (51, 604135), (85, 362481), (105, 293437), (119, 258915), (123, 250495), (205, 150297), (255, 120827), (287, 107355), (357, 86305), (421, 73185), (595, 51783), (615, 50099), (697, 44205), (861, 35785), (1263, 24395), (1435, 21471), (1785, 17261), (2091, 14735), (2105, 14637), (2947, 10455), (3485, 8841), (4305, 7157), (4879, 6315)]