68940018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 191232000

約数和(自身を除く): 122291982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 29, 38, 42, 54, 57, 58, 63, 87, 114, 126, 133, 171, 174, 189, 203, 261, 266, 331, 342, 378, 399, 406, 513, 522, 551, 609, 662, 783, 798, 993, 1026, 1102, 1197, 1218, 1566, 1653, 1827, 1986, 2317, 2394, 2979, 3306, 3591, 3654, 3857, 4634, 4959, 5481, 5958, 6289, 6951, 7182, 7714, 8937, 9599, 9918, 10962, 11571, 12578, 13902, 14877, 17874, 18867, 19198, 20853, 23142, 28797, 29754, 34713, 37734, 41706, 44023, 56601, 57594, 62559, 67193, 69426, 86391, 88046, 104139, 113202, 125118, 132069, 134386, 169803, 172782, 182381, 201579, 208278, 259173, 264138, 339606, 364762, 396207, 403158, 518346, 547143, 604737, 792414, 1094286, 1188621, 1209474, 1276667, 1641429, 1814211, 2377242, 2553334, 3282858, 3628422, 3830001, 4924287, 7660002, 9848574, 11490003, 22980006, 34470009, 68940018]

約数ペア:

[(1, 68940018), (2, 34470009), (3, 22980006), (6, 11490003), (7, 9848574), (9, 7660002), (14, 4924287), (18, 3830001), (19, 3628422), (21, 3282858), (27, 2553334), (29, 2377242), (38, 1814211), (42, 1641429), (54, 1276667), (57, 1209474), (58, 1188621), (63, 1094286), (87, 792414), (114, 604737), (126, 547143), (133, 518346), (171, 403158), (174, 396207), (189, 364762), (203, 339606), (261, 264138), (266, 259173), (331, 208278), (342, 201579), (378, 182381), (399, 172782), (406, 169803), (513, 134386), (522, 132069), (551, 125118), (609, 113202), (662, 104139), (783, 88046), (798, 86391), (993, 69426), (1026, 67193), (1102, 62559), (1197, 57594), (1218, 56601), (1566, 44023), (1653, 41706), (1827, 37734), (1986, 34713), (2317, 29754), (2394, 28797), (2979, 23142), (3306, 20853), (3591, 19198), (3654, 18867), (3857, 17874), (4634, 14877), (4959, 13902), (5481, 12578), (5958, 11571), (6289, 10962), (6951, 9918), (7182, 9599), (7714, 8937)]