77867280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1303}}^1$

素因数の和:1405

約数の個数: 120

約数和(自身を含む): 264858048

約数和(自身を除く): 186990768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 332, 360, 415, 498, 664, 720, 747, 830, 996, 1245, 1303, 1328, 1494, 1660, 1992, 2490, 2606, 2988, 3320, 3735, 3909, 3984, 4980, 5212, 5976, 6515, 6640, 7470, 7818, 9960, 10424, 11727, 11952, 13030, 14940, 15636, 19545, 19920, 20848, 23454, 26060, 29880, 31272, 39090, 46908, 52120, 58635, 59760, 62544, 78180, 93816, 104240, 108149, 117270, 156360, 187632, 216298, 234540, 312720, 324447, 432596, 469080, 540745, 648894, 865192, 938160, 973341, 1081490, 1297788, 1622235, 1730384, 1946682, 2162980, 2595576, 3244470, 3893364, 4325960, 4866705, 5191152, 6488940, 7786728, 8651920, 9733410, 12977880, 15573456, 19466820, 25955760, 38933640, 77867280]

約数ペア:

[(1, 77867280), (2, 38933640), (3, 25955760), (4, 19466820), (5, 15573456), (6, 12977880), (8, 9733410), (9, 8651920), (10, 7786728), (12, 6488940), (15, 5191152), (16, 4866705), (18, 4325960), (20, 3893364), (24, 3244470), (30, 2595576), (36, 2162980), (40, 1946682), (45, 1730384), (48, 1622235), (60, 1297788), (72, 1081490), (80, 973341), (83, 938160), (90, 865192), (120, 648894), (144, 540745), (166, 469080), (180, 432596), (240, 324447), (249, 312720), (332, 234540), (360, 216298), (415, 187632), (498, 156360), (664, 117270), (720, 108149), (747, 104240), (830, 93816), (996, 78180), (1245, 62544), (1303, 59760), (1328, 58635), (1494, 52120), (1660, 46908), (1992, 39090), (2490, 31272), (2606, 29880), (2988, 26060), (3320, 23454), (3735, 20848), (3909, 19920), (3984, 19545), (4980, 15636), (5212, 14940), (5976, 13030), (6515, 11952), (6640, 11727), (7470, 10424), (7818, 9960)]