78868394640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15648491}}^1$

素因数の和:15648517

約数の個数: 120

約数和(自身を含む): 302704429248

約数和(自身を除く): 223836034608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 15648491, 31296982, 46945473, 62593964, 78242455, 93890946, 109539437, 125187928, 140836419, 156484910, 187781892, 219078874, 234727365, 250375856, 281672838, 312969820, 328618311, 375563784, 438157748, 469454730, 547697185, 563345676, 625939640, 657236622, 704182095, 751127568, 876315496, 938909460, 985854933, 1095394370, 1126691352, 1251879280, 1314473244, 1408364190, 1643091555, 1752630992, 1877818920, 1971709866, 2190788740, 2253382704, 2628946488, 2816728380, 3286183110, 3755637840, 3943419732, 4381577480, 4929274665, 5257892976, 5633456760, 6572366220, 7886839464, 8763154960, 9858549330, 11266913520, 13144732440, 15773678928, 19717098660, 26289464880, 39434197320, 78868394640]

約数ペア:

[(1, 78868394640), (2, 39434197320), (3, 26289464880), (4, 19717098660), (5, 15773678928), (6, 13144732440), (7, 11266913520), (8, 9858549330), (9, 8763154960), (10, 7886839464), (12, 6572366220), (14, 5633456760), (15, 5257892976), (16, 4929274665), (18, 4381577480), (20, 3943419732), (21, 3755637840), (24, 3286183110), (28, 2816728380), (30, 2628946488), (35, 2253382704), (36, 2190788740), (40, 1971709866), (42, 1877818920), (45, 1752630992), (48, 1643091555), (56, 1408364190), (60, 1314473244), (63, 1251879280), (70, 1126691352), (72, 1095394370), (80, 985854933), (84, 938909460), (90, 876315496), (105, 751127568), (112, 704182095), (120, 657236622), (126, 625939640), (140, 563345676), (144, 547697185), (168, 469454730), (180, 438157748), (210, 375563784), (240, 328618311), (252, 312969820), (280, 281672838), (315, 250375856), (336, 234727365), (360, 219078874), (420, 187781892), (504, 156484910), (560, 140836419), (630, 125187928), (720, 109539437), (840, 93890946), (1008, 78242455), (1260, 62593964), (1680, 46945473), (2520, 31296982), (5040, 15648491)]