66666060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 216084960

約数和(自身を除く): 149418900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 101, 114, 171, 180, 190, 193, 202, 228, 285, 303, 342, 380, 386, 404, 505, 570, 579, 606, 684, 772, 855, 909, 965, 1010, 1140, 1158, 1212, 1515, 1710, 1737, 1818, 1919, 1930, 2020, 2316, 2895, 3030, 3420, 3474, 3636, 3667, 3838, 3860, 4545, 5757, 5790, 6060, 6948, 7334, 7676, 8685, 9090, 9595, 11001, 11514, 11580, 14668, 17271, 17370, 18180, 18335, 19190, 19493, 22002, 23028, 28785, 33003, 34542, 34740, 36670, 38380, 38986, 44004, 55005, 57570, 58479, 66006, 69084, 73340, 77972, 86355, 97465, 110010, 115140, 116958, 132012, 165015, 172710, 175437, 194930, 220020, 233916, 292395, 330030, 345420, 350874, 370367, 389860, 584790, 660060, 701748, 740734, 877185, 1111101, 1169580, 1481468, 1754370, 1851835, 2222202, 3333303, 3508740, 3703670, 4444404, 5555505, 6666606, 7407340, 11111010, 13333212, 16666515, 22222020, 33333030, 66666060]

約数ペア:

[(1, 66666060), (2, 33333030), (3, 22222020), (4, 16666515), (5, 13333212), (6, 11111010), (9, 7407340), (10, 6666606), (12, 5555505), (15, 4444404), (18, 3703670), (19, 3508740), (20, 3333303), (30, 2222202), (36, 1851835), (38, 1754370), (45, 1481468), (57, 1169580), (60, 1111101), (76, 877185), (90, 740734), (95, 701748), (101, 660060), (114, 584790), (171, 389860), (180, 370367), (190, 350874), (193, 345420), (202, 330030), (228, 292395), (285, 233916), (303, 220020), (342, 194930), (380, 175437), (386, 172710), (404, 165015), (505, 132012), (570, 116958), (579, 115140), (606, 110010), (684, 97465), (772, 86355), (855, 77972), (909, 73340), (965, 69084), (1010, 66006), (1140, 58479), (1158, 57570), (1212, 55005), (1515, 44004), (1710, 38986), (1737, 38380), (1818, 36670), (1919, 34740), (1930, 34542), (2020, 33003), (2316, 28785), (2895, 23028), (3030, 22002), (3420, 19493), (3474, 19190), (3636, 18335), (3667, 18180), (3838, 17370), (3860, 17271), (4545, 14668), (5757, 11580), (5790, 11514), (6060, 11001), (6948, 9595), (7334, 9090), (7676, 8685)]