78664845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 158906880

約数和(自身を除く): 80242035

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 43, 49, 57, 95, 105, 129, 131, 133, 147, 215, 245, 285, 301, 393, 399, 645, 655, 665, 735, 817, 903, 917, 931, 1505, 1965, 1995, 2107, 2451, 2489, 2751, 2793, 4085, 4515, 4585, 4655, 5633, 5719, 6321, 6419, 7467, 10535, 12255, 12445, 13755, 13965, 16899, 17157, 17423, 19257, 28165, 28595, 31605, 32095, 37335, 39431, 40033, 52269, 84495, 85785, 87115, 96285, 107027, 118293, 120099, 121961, 197155, 200165, 261345, 276017, 321081, 365883, 535135, 591465, 600495, 609805, 749189, 828051, 1380085, 1605405, 1829415, 2247567, 3745945, 4140255, 5244323, 11237835, 15732969, 26221615, 78664845]

約数ペア:

[(1, 78664845), (3, 26221615), (5, 15732969), (7, 11237835), (15, 5244323), (19, 4140255), (21, 3745945), (35, 2247567), (43, 1829415), (49, 1605405), (57, 1380085), (95, 828051), (105, 749189), (129, 609805), (131, 600495), (133, 591465), (147, 535135), (215, 365883), (245, 321081), (285, 276017), (301, 261345), (393, 200165), (399, 197155), (645, 121961), (655, 120099), (665, 118293), (735, 107027), (817, 96285), (903, 87115), (917, 85785), (931, 84495), (1505, 52269), (1965, 40033), (1995, 39431), (2107, 37335), (2451, 32095), (2489, 31605), (2751, 28595), (2793, 28165), (4085, 19257), (4515, 17423), (4585, 17157), (4655, 16899), (5633, 13965), (5719, 13755), (6321, 12445), (6419, 12255), (7467, 10535)]