51471280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{859}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 138205440

約数和(自身を除く): 86734160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 859, 1070, 1498, 1712, 1718, 2140, 2996, 3436, 3745, 4280, 4295, 5992, 6013, 6872, 7490, 8560, 8590, 11984, 12026, 13744, 14980, 17180, 24052, 29960, 30065, 34360, 48104, 59920, 60130, 68720, 91913, 96208, 120260, 183826, 240520, 367652, 459565, 481040, 643391, 735304, 919130, 1286782, 1470608, 1838260, 2573564, 3216955, 3676520, 5147128, 6433910, 7353040, 10294256, 12867820, 25735640, 51471280]

約数ペア:

[(1, 51471280), (2, 25735640), (4, 12867820), (5, 10294256), (7, 7353040), (8, 6433910), (10, 5147128), (14, 3676520), (16, 3216955), (20, 2573564), (28, 1838260), (35, 1470608), (40, 1286782), (56, 919130), (70, 735304), (80, 643391), (107, 481040), (112, 459565), (140, 367652), (214, 240520), (280, 183826), (428, 120260), (535, 96208), (560, 91913), (749, 68720), (856, 60130), (859, 59920), (1070, 48104), (1498, 34360), (1712, 30065), (1718, 29960), (2140, 24052), (2996, 17180), (3436, 14980), (3745, 13744), (4280, 12026), (4295, 11984), (5992, 8590), (6013, 8560), (6872, 7490)]