68388180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162829}}^1$

素因数の和:162848

約数の個数: 48

約数和(自身を含む): 218843520

約数和(自身を除く): 150455340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 162829, 325658, 488487, 651316, 814145, 976974, 1139803, 1628290, 1953948, 2279606, 2442435, 3256580, 3419409, 4559212, 4884870, 5699015, 6838818, 9769740, 11398030, 13677636, 17097045, 22796060, 34194090, 68388180]

約数ペア:

[(1, 68388180), (2, 34194090), (3, 22796060), (4, 17097045), (5, 13677636), (6, 11398030), (7, 9769740), (10, 6838818), (12, 5699015), (14, 4884870), (15, 4559212), (20, 3419409), (21, 3256580), (28, 2442435), (30, 2279606), (35, 1953948), (42, 1628290), (60, 1139803), (70, 976974), (84, 814145), (105, 651316), (140, 488487), (210, 325658), (420, 162829)]