80523360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:501

約数の個数: 144

約数和(自身を含む): 277149600

約数和(自身を除く): 196626240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 199, 240, 281, 288, 360, 398, 480, 562, 597, 720, 796, 843, 995, 1124, 1194, 1405, 1440, 1592, 1686, 1791, 1990, 2248, 2388, 2529, 2810, 2985, 3184, 3372, 3582, 3980, 4215, 4496, 4776, 5058, 5620, 5970, 6368, 6744, 7164, 7960, 8430, 8955, 8992, 9552, 10116, 11240, 11940, 12645, 13488, 14328, 15920, 16860, 17910, 19104, 20232, 22480, 23880, 25290, 26976, 28656, 31840, 33720, 35820, 40464, 44960, 47760, 50580, 55919, 57312, 67440, 71640, 80928, 95520, 101160, 111838, 134880, 143280, 167757, 202320, 223676, 279595, 286560, 335514, 404640, 447352, 503271, 559190, 671028, 838785, 894704, 1006542, 1118380, 1342056, 1677570, 1789408, 2013084, 2236760, 2516355, 2684112, 3355140, 4026168, 4473520, 5032710, 5368224, 6710280, 8052336, 8947040, 10065420, 13420560, 16104672, 20130840, 26841120, 40261680, 80523360]

約数ペア:

[(1, 80523360), (2, 40261680), (3, 26841120), (4, 20130840), (5, 16104672), (6, 13420560), (8, 10065420), (9, 8947040), (10, 8052336), (12, 6710280), (15, 5368224), (16, 5032710), (18, 4473520), (20, 4026168), (24, 3355140), (30, 2684112), (32, 2516355), (36, 2236760), (40, 2013084), (45, 1789408), (48, 1677570), (60, 1342056), (72, 1118380), (80, 1006542), (90, 894704), (96, 838785), (120, 671028), (144, 559190), (160, 503271), (180, 447352), (199, 404640), (240, 335514), (281, 286560), (288, 279595), (360, 223676), (398, 202320), (480, 167757), (562, 143280), (597, 134880), (720, 111838), (796, 101160), (843, 95520), (995, 80928), (1124, 71640), (1194, 67440), (1405, 57312), (1440, 55919), (1592, 50580), (1686, 47760), (1791, 44960), (1990, 40464), (2248, 35820), (2388, 33720), (2529, 31840), (2810, 28656), (2985, 26976), (3184, 25290), (3372, 23880), (3582, 22480), (3980, 20232), (4215, 19104), (4496, 17910), (4776, 16860), (5058, 15920), (5620, 14328), (5970, 13488), (6368, 12645), (6744, 11940), (7164, 11240), (7960, 10116), (8430, 9552), (8955, 8992)]