777794960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 1909038528

約数和(自身を除く): 1131243568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 151, 155, 248, 268, 302, 310, 335, 496, 536, 604, 620, 670, 755, 961, 1072, 1208, 1240, 1340, 1510, 1922, 2077, 2416, 2480, 2680, 3020, 3844, 4154, 4681, 4805, 5360, 6040, 7688, 8308, 9362, 9610, 10117, 10385, 12080, 15376, 16616, 18724, 19220, 20234, 20770, 23405, 33232, 37448, 38440, 40468, 41540, 46810, 50585, 64387, 74896, 76880, 80936, 83080, 93620, 101170, 128774, 145111, 161872, 166160, 187240, 202340, 257548, 290222, 313627, 321935, 374480, 404680, 515096, 580444, 627254, 643870, 725555, 809360, 1030192, 1160888, 1254508, 1287740, 1451110, 1568135, 2321776, 2509016, 2575480, 2902220, 3136270, 5018032, 5150960, 5804440, 6272540, 9722437, 11608880, 12545080, 19444874, 25090160, 38889748, 48612185, 77779496, 97224370, 155558992, 194448740, 388897480, 777794960]

約数ペア:

[(1, 777794960), (2, 388897480), (4, 194448740), (5, 155558992), (8, 97224370), (10, 77779496), (16, 48612185), (20, 38889748), (31, 25090160), (40, 19444874), (62, 12545080), (67, 11608880), (80, 9722437), (124, 6272540), (134, 5804440), (151, 5150960), (155, 5018032), (248, 3136270), (268, 2902220), (302, 2575480), (310, 2509016), (335, 2321776), (496, 1568135), (536, 1451110), (604, 1287740), (620, 1254508), (670, 1160888), (755, 1030192), (961, 809360), (1072, 725555), (1208, 643870), (1240, 627254), (1340, 580444), (1510, 515096), (1922, 404680), (2077, 374480), (2416, 321935), (2480, 313627), (2680, 290222), (3020, 257548), (3844, 202340), (4154, 187240), (4681, 166160), (4805, 161872), (5360, 145111), (6040, 128774), (7688, 101170), (8308, 93620), (9362, 83080), (9610, 80936), (10117, 76880), (10385, 74896), (12080, 64387), (15376, 50585), (16616, 46810), (18724, 41540), (19220, 40468), (20234, 38440), (20770, 37448), (23405, 33232)]