68698140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163567}}^1$

素因数の和:163586

約数の個数: 48

約数和(自身を含む): 219835392

約数和(自身を除く): 151137252

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, 163567, 327134, 490701, 654268, 817835, 981402, 1144969, 1635670, 1962804, 2289938, 2453505, 3271340, 3434907, 4579876, 4907010, 5724845, 6869814, 9814020, 11449690, 13739628, 17174535, 22899380, 34349070, 68698140]

約数ペア:

[(1, 68698140), (2, 34349070), (3, 22899380), (4, 17174535), (5, 13739628), (6, 11449690), (7, 9814020), (10, 6869814), (12, 5724845), (14, 4907010), (15, 4579876), (20, 3434907), (21, 3271340), (28, 2453505), (30, 2289938), (35, 1962804), (42, 1635670), (60, 1144969), (70, 981402), (84, 817835), (105, 654268), (140, 490701), (210, 327134), (420, 163567)]