257003670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1666

約数の個数: 128

約数和(自身を含む): 780337152

約数和(自身を除く): 523333482

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 71, 77, 105, 110, 142, 154, 165, 210, 213, 231, 330, 355, 385, 426, 462, 497, 710, 770, 781, 994, 1065, 1155, 1491, 1562, 1567, 2130, 2310, 2343, 2485, 2982, 3134, 3905, 4686, 4701, 4970, 5467, 7455, 7810, 7835, 9402, 10934, 10969, 11715, 14910, 15670, 16401, 17237, 21938, 23430, 23505, 27335, 32802, 32907, 34474, 47010, 51711, 54670, 54845, 65814, 82005, 86185, 103422, 109690, 111257, 120659, 164010, 164535, 172370, 222514, 241318, 258555, 329070, 333771, 361977, 517110, 556285, 603295, 667542, 723954, 778799, 1112570, 1206590, 1223827, 1557598, 1668855, 1809885, 2336397, 2447654, 3337710, 3619770, 3671481, 3893995, 4672794, 6119135, 7342962, 7787990, 8566789, 11681985, 12238270, 17133578, 18357405, 23363970, 25700367, 36714810, 42833945, 51400734, 85667890, 128501835, 257003670]

約数ペア:

[(1, 257003670), (2, 128501835), (3, 85667890), (5, 51400734), (6, 42833945), (7, 36714810), (10, 25700367), (11, 23363970), (14, 18357405), (15, 17133578), (21, 12238270), (22, 11681985), (30, 8566789), (33, 7787990), (35, 7342962), (42, 6119135), (55, 4672794), (66, 3893995), (70, 3671481), (71, 3619770), (77, 3337710), (105, 2447654), (110, 2336397), (142, 1809885), (154, 1668855), (165, 1557598), (210, 1223827), (213, 1206590), (231, 1112570), (330, 778799), (355, 723954), (385, 667542), (426, 603295), (462, 556285), (497, 517110), (710, 361977), (770, 333771), (781, 329070), (994, 258555), (1065, 241318), (1155, 222514), (1491, 172370), (1562, 164535), (1567, 164010), (2130, 120659), (2310, 111257), (2343, 109690), (2485, 103422), (2982, 86185), (3134, 82005), (3905, 65814), (4686, 54845), (4701, 54670), (4970, 51711), (5467, 47010), (7455, 34474), (7810, 32907), (7835, 32802), (9402, 27335), (10934, 23505), (10969, 23430), (11715, 21938), (14910, 17237), (15670, 16401)]