80701020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 259301952

約数和(自身を除く): 178600932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 101, 115, 138, 180, 193, 202, 207, 230, 276, 303, 345, 386, 404, 414, 460, 505, 579, 606, 690, 772, 828, 909, 965, 1010, 1035, 1158, 1212, 1380, 1515, 1737, 1818, 1930, 2020, 2070, 2316, 2323, 2895, 3030, 3474, 3636, 3860, 4140, 4439, 4545, 4646, 5790, 6060, 6948, 6969, 8685, 8878, 9090, 9292, 11580, 11615, 13317, 13938, 17370, 17756, 18180, 19493, 20907, 22195, 23230, 26634, 27876, 34740, 34845, 38986, 39951, 41814, 44390, 46460, 53268, 58479, 66585, 69690, 77972, 79902, 83628, 88780, 97465, 104535, 116958, 133170, 139380, 159804, 175437, 194930, 199755, 209070, 233916, 266340, 292395, 350874, 389860, 399510, 418140, 448339, 584790, 701748, 799020, 877185, 896678, 1169580, 1345017, 1754370, 1793356, 2241695, 2690034, 3508740, 4035051, 4483390, 5380068, 6725085, 8070102, 8966780, 13450170, 16140204, 20175255, 26900340, 40350510, 80701020]

約数ペア:

[(1, 80701020), (2, 40350510), (3, 26900340), (4, 20175255), (5, 16140204), (6, 13450170), (9, 8966780), (10, 8070102), (12, 6725085), (15, 5380068), (18, 4483390), (20, 4035051), (23, 3508740), (30, 2690034), (36, 2241695), (45, 1793356), (46, 1754370), (60, 1345017), (69, 1169580), (90, 896678), (92, 877185), (101, 799020), (115, 701748), (138, 584790), (180, 448339), (193, 418140), (202, 399510), (207, 389860), (230, 350874), (276, 292395), (303, 266340), (345, 233916), (386, 209070), (404, 199755), (414, 194930), (460, 175437), (505, 159804), (579, 139380), (606, 133170), (690, 116958), (772, 104535), (828, 97465), (909, 88780), (965, 83628), (1010, 79902), (1035, 77972), (1158, 69690), (1212, 66585), (1380, 58479), (1515, 53268), (1737, 46460), (1818, 44390), (1930, 41814), (2020, 39951), (2070, 38986), (2316, 34845), (2323, 34740), (2895, 27876), (3030, 26634), (3474, 23230), (3636, 22195), (3860, 20907), (4140, 19493), (4439, 18180), (4545, 17756), (4646, 17370), (5790, 13938), (6060, 13317), (6948, 11615), (6969, 11580), (8685, 9292), (8878, 9090)]