81412560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37691}}^1$

素因数の和:37713

約数の個数: 80

約数和(自身を含む): 280428480

約数和(自身を除く): 199015920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37691, 75382, 113073, 150764, 188455, 226146, 301528, 339219, 376910, 452292, 565365, 603056, 678438, 753820, 904584, 1017657, 1130730, 1356876, 1507640, 1696095, 1809168, 2035314, 2261460, 2713752, 3015280, 3392190, 4070628, 4522920, 5088285, 5427504, 6784380, 8141256, 9045840, 10176570, 13568760, 16282512, 20353140, 27137520, 40706280, 81412560]

約数ペア:

[(1, 81412560), (2, 40706280), (3, 27137520), (4, 20353140), (5, 16282512), (6, 13568760), (8, 10176570), (9, 9045840), (10, 8141256), (12, 6784380), (15, 5427504), (16, 5088285), (18, 4522920), (20, 4070628), (24, 3392190), (27, 3015280), (30, 2713752), (36, 2261460), (40, 2035314), (45, 1809168), (48, 1696095), (54, 1507640), (60, 1356876), (72, 1130730), (80, 1017657), (90, 904584), (108, 753820), (120, 678438), (135, 603056), (144, 565365), (180, 452292), (216, 376910), (240, 339219), (270, 301528), (360, 226146), (432, 188455), (540, 150764), (720, 113073), (1080, 75382), (2160, 37691)]