1287227520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1123}}^1$

素因数の和:1347

約数の個数: 192

約数和(自身を含む): 4471272000

約数和(自身を除く): 3184044480

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 199, 240, 288, 320, 360, 384, 398, 480, 576, 597, 640, 720, 796, 960, 995, 1123, 1152, 1194, 1440, 1592, 1791, 1920, 1990, 2246, 2388, 2880, 2985, 3184, 3369, 3582, 3980, 4492, 4776, 5615, 5760, 5970, 6368, 6738, 7164, 7960, 8955, 8984, 9552, 10107, 11230, 11940, 12736, 13476, 14328, 15920, 16845, 17910, 17968, 19104, 20214, 22460, 23880, 25472, 26952, 28656, 31840, 33690, 35820, 35936, 38208, 40428, 44920, 47760, 50535, 53904, 57312, 63680, 67380, 71640, 71872, 76416, 80856, 89840, 95520, 101070, 107808, 114624, 127360, 134760, 143280, 143744, 161712, 179680, 191040, 202140, 215616, 223477, 229248, 269520, 286560, 323424, 359360, 382080, 404280, 431232, 446954, 539040, 573120, 646848, 670431, 718720, 808560, 893908, 1078080, 1117385, 1146240, 1293696, 1340862, 1617120, 1787816, 2011293, 2156160, 2234770, 2681724, 3234240, 3352155, 3575632, 4022586, 4469540, 5363448, 6468480, 6704310, 7151264, 8045172, 8939080, 10056465, 10726896, 13408620, 14302528, 16090344, 17878160, 20112930, 21453792, 26817240, 28605056, 32180688, 35756320, 40225860, 42907584, 53634480, 64361376, 71512640, 80451720, 85815168, 107268960, 128722752, 143025280, 160903440, 214537920, 257445504, 321806880, 429075840, 643613760, 1287227520]

約数ペア:

[(1, 1287227520), (2, 643613760), (3, 429075840), (4, 321806880), (5, 257445504), (6, 214537920), (8, 160903440), (9, 143025280), (10, 128722752), (12, 107268960), (15, 85815168), (16, 80451720), (18, 71512640), (20, 64361376), (24, 53634480), (30, 42907584), (32, 40225860), (36, 35756320), (40, 32180688), (45, 28605056), (48, 26817240), (60, 21453792), (64, 20112930), (72, 17878160), (80, 16090344), (90, 14302528), (96, 13408620), (120, 10726896), (128, 10056465), (144, 8939080), (160, 8045172), (180, 7151264), (192, 6704310), (199, 6468480), (240, 5363448), (288, 4469540), (320, 4022586), (360, 3575632), (384, 3352155), (398, 3234240), (480, 2681724), (576, 2234770), (597, 2156160), (640, 2011293), (720, 1787816), (796, 1617120), (960, 1340862), (995, 1293696), (1123, 1146240), (1152, 1117385), (1194, 1078080), (1440, 893908), (1592, 808560), (1791, 718720), (1920, 670431), (1990, 646848), (2246, 573120), (2388, 539040), (2880, 446954), (2985, 431232), (3184, 404280), (3369, 382080), (3582, 359360), (3980, 323424), (4492, 286560), (4776, 269520), (5615, 229248), (5760, 223477), (5970, 215616), (6368, 202140), (6738, 191040), (7164, 179680), (7960, 161712), (8955, 143744), (8984, 143280), (9552, 134760), (10107, 127360), (11230, 114624), (11940, 107808), (12736, 101070), (13476, 95520), (14328, 89840), (15920, 80856), (16845, 76416), (17910, 71872), (17968, 71640), (19104, 67380), (20214, 63680), (22460, 57312), (23880, 53904), (25472, 50535), (26952, 47760), (28656, 44920), (31840, 40428), (33690, 38208), (35820, 35936)]