2887279920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{81839}}^1$

素因数の和:81872

約数の個数: 180

約数和(自身を含む): 11279679840

約数和(自身を除く): 8392399920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 35280, 81839, 163678, 245517, 327356, 409195, 491034, 572873, 654712, 736551, 818390, 982068, 1145746, 1227585, 1309424, 1473102, 1636780, 1718619, 1964136, 2291492, 2455170, 2864365, 2946204, 3273560, 3437238, 3682755, 3928272, 4010111, 4582984, 4910340, 5155857, 5728730, 5892408, 6547120, 6874476, 7365510, 8020222, 8593095, 9165968, 9820680, 10311714, 11457460, 11784816, 12030333, 13748952, 14731020, 16040444, 17186190, 19641360, 20050555, 20623428, 22914920, 24060666, 25779285, 27497904, 29462040, 32080888, 34372380, 36090999, 40101110, 41246856, 45829840, 48121332, 51558570, 58924080, 60151665, 64161776, 68744760, 72181998, 80202220, 82493712, 96242664, 103117140, 120303330, 137489520, 144363996, 160404440, 180454995, 192485328, 206234280, 240606660, 288727992, 320808880, 360909990, 412468560, 481213320, 577455984, 721819980, 962426640, 1443639960, 2887279920]

約数ペア:

[(1, 2887279920), (2, 1443639960), (3, 962426640), (4, 721819980), (5, 577455984), (6, 481213320), (7, 412468560), (8, 360909990), (9, 320808880), (10, 288727992), (12, 240606660), (14, 206234280), (15, 192485328), (16, 180454995), (18, 160404440), (20, 144363996), (21, 137489520), (24, 120303330), (28, 103117140), (30, 96242664), (35, 82493712), (36, 80202220), (40, 72181998), (42, 68744760), (45, 64161776), (48, 60151665), (49, 58924080), (56, 51558570), (60, 48121332), (63, 45829840), (70, 41246856), (72, 40101110), (80, 36090999), (84, 34372380), (90, 32080888), (98, 29462040), (105, 27497904), (112, 25779285), (120, 24060666), (126, 22914920), (140, 20623428), (144, 20050555), (147, 19641360), (168, 17186190), (180, 16040444), (196, 14731020), (210, 13748952), (240, 12030333), (245, 11784816), (252, 11457460), (280, 10311714), (294, 9820680), (315, 9165968), (336, 8593095), (360, 8020222), (392, 7365510), (420, 6874476), (441, 6547120), (490, 5892408), (504, 5728730), (560, 5155857), (588, 4910340), (630, 4582984), (720, 4010111), (735, 3928272), (784, 3682755), (840, 3437238), (882, 3273560), (980, 2946204), (1008, 2864365), (1176, 2455170), (1260, 2291492), (1470, 1964136), (1680, 1718619), (1764, 1636780), (1960, 1473102), (2205, 1309424), (2352, 1227585), (2520, 1145746), (2940, 982068), (3528, 818390), (3920, 736551), (4410, 654712), (5040, 572873), (5880, 491034), (7056, 409195), (8820, 327356), (11760, 245517), (17640, 163678), (35280, 81839)]