122935280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2818

約数の個数: 80

約数和(自身を含む): 315084000

約数和(自身を除く): 192148720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2749, 2795, 3440, 4472, 5498, 5590, 8944, 10996, 11180, 13745, 21992, 22360, 27490, 35737, 43984, 44720, 54980, 71474, 109960, 118207, 142948, 178685, 219920, 236414, 285896, 357370, 472828, 571792, 591035, 714740, 945656, 1182070, 1429480, 1536691, 1891312, 2364140, 2858960, 3073382, 4728280, 6146764, 7683455, 9456560, 12293528, 15366910, 24587056, 30733820, 61467640, 122935280]

約数ペア:

[(1, 122935280), (2, 61467640), (4, 30733820), (5, 24587056), (8, 15366910), (10, 12293528), (13, 9456560), (16, 7683455), (20, 6146764), (26, 4728280), (40, 3073382), (43, 2858960), (52, 2364140), (65, 1891312), (80, 1536691), (86, 1429480), (104, 1182070), (130, 945656), (172, 714740), (208, 591035), (215, 571792), (260, 472828), (344, 357370), (430, 285896), (520, 236414), (559, 219920), (688, 178685), (860, 142948), (1040, 118207), (1118, 109960), (1720, 71474), (2236, 54980), (2749, 44720), (2795, 43984), (3440, 35737), (4472, 27490), (5498, 22360), (5590, 21992), (8944, 13745), (10996, 11180)]