80857680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1693}}^1$

素因数の和:1908

約数の個数: 80

約数和(自身を含む): 252067200

約数和(自身を除く): 171209520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 597, 796, 995, 1194, 1592, 1693, 1990, 2388, 2985, 3184, 3386, 3980, 4776, 5079, 5970, 6772, 7960, 8465, 9552, 10158, 11940, 13544, 15920, 16930, 20316, 23880, 25395, 27088, 33860, 40632, 47760, 50790, 67720, 81264, 101580, 135440, 203160, 336907, 406320, 673814, 1010721, 1347628, 1684535, 2021442, 2695256, 3369070, 4042884, 5053605, 5390512, 6738140, 8085768, 10107210, 13476280, 16171536, 20214420, 26952560, 40428840, 80857680]

約数ペア:

[(1, 80857680), (2, 40428840), (3, 26952560), (4, 20214420), (5, 16171536), (6, 13476280), (8, 10107210), (10, 8085768), (12, 6738140), (15, 5390512), (16, 5053605), (20, 4042884), (24, 3369070), (30, 2695256), (40, 2021442), (48, 1684535), (60, 1347628), (80, 1010721), (120, 673814), (199, 406320), (240, 336907), (398, 203160), (597, 135440), (796, 101580), (995, 81264), (1194, 67720), (1592, 50790), (1693, 47760), (1990, 40632), (2388, 33860), (2985, 27088), (3184, 25395), (3386, 23880), (3980, 20316), (4776, 16930), (5079, 15920), (5970, 13544), (6772, 11940), (7960, 10158), (8465, 9552)]