551376720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 240

約数和(自身を含む): 1945000512

約数和(自身を除く): 1393623792

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, 81, 90, 108, 113, 120, 135, 144, 162, 180, 216, 226, 240, 243, 251, 270, 324, 339, 360, 405, 432, 452, 486, 502, 540, 565, 648, 678, 720, 753, 810, 904, 972, 1004, 1017, 1080, 1130, 1215, 1255, 1296, 1356, 1506, 1620, 1695, 1808, 1944, 2008, 2034, 2160, 2259, 2260, 2430, 2510, 2712, 3012, 3051, 3240, 3390, 3765, 3888, 4016, 4068, 4518, 4520, 4860, 5020, 5085, 5424, 6024, 6102, 6480, 6777, 6780, 7530, 8136, 9036, 9040, 9153, 9720, 10040, 10170, 11295, 12048, 12204, 13554, 13560, 15060, 15255, 16272, 18072, 18306, 19440, 20080, 20331, 20340, 22590, 24408, 27108, 27120, 27459, 28363, 30120, 30510, 33885, 36144, 36612, 40662, 40680, 45180, 45765, 48816, 54216, 54918, 56726, 60240, 60993, 61020, 67770, 73224, 81324, 81360, 85089, 90360, 91530, 101655, 108432, 109836, 113452, 121986, 122040, 135540, 137295, 141815, 146448, 162648, 170178, 180720, 183060, 203310, 219672, 226904, 243972, 244080, 255267, 271080, 274590, 283630, 304965, 325296, 340356, 366120, 406620, 425445, 439344, 453808, 487944, 510534, 542160, 549180, 567260, 609930, 680712, 732240, 765801, 813240, 850890, 975888, 1021068, 1098360, 1134520, 1219860, 1276335, 1361424, 1531602, 1626480, 1701780, 2042136, 2196720, 2269040, 2297403, 2439720, 2552670, 3063204, 3403560, 3829005, 4084272, 4594806, 4879440, 5105340, 6126408, 6807120, 6892209, 7658010, 9189612, 10210680, 11487015, 12252816, 13784418, 15316020, 18379224, 20421360, 22974030, 27568836, 30632040, 34461045, 36758448, 45948060, 55137672, 61264080, 68922090, 91896120, 110275344, 137844180, 183792240, 275688360, 551376720]

約数ペア:

[(1, 551376720), (2, 275688360), (3, 183792240), (4, 137844180), (5, 110275344), (6, 91896120), (8, 68922090), (9, 61264080), (10, 55137672), (12, 45948060), (15, 36758448), (16, 34461045), (18, 30632040), (20, 27568836), (24, 22974030), (27, 20421360), (30, 18379224), (36, 15316020), (40, 13784418), (45, 12252816), (48, 11487015), (54, 10210680), (60, 9189612), (72, 7658010), (80, 6892209), (81, 6807120), (90, 6126408), (108, 5105340), (113, 4879440), (120, 4594806), (135, 4084272), (144, 3829005), (162, 3403560), (180, 3063204), (216, 2552670), (226, 2439720), (240, 2297403), (243, 2269040), (251, 2196720), (270, 2042136), (324, 1701780), (339, 1626480), (360, 1531602), (405, 1361424), (432, 1276335), (452, 1219860), (486, 1134520), (502, 1098360), (540, 1021068), (565, 975888), (648, 850890), (678, 813240), (720, 765801), (753, 732240), (810, 680712), (904, 609930), (972, 567260), (1004, 549180), (1017, 542160), (1080, 510534), (1130, 487944), (1215, 453808), (1255, 439344), (1296, 425445), (1356, 406620), (1506, 366120), (1620, 340356), (1695, 325296), (1808, 304965), (1944, 283630), (2008, 274590), (2034, 271080), (2160, 255267), (2259, 244080), (2260, 243972), (2430, 226904), (2510, 219672), (2712, 203310), (3012, 183060), (3051, 180720), (3240, 170178), (3390, 162648), (3765, 146448), (3888, 141815), (4016, 137295), (4068, 135540), (4518, 122040), (4520, 121986), (4860, 113452), (5020, 109836), (5085, 108432), (5424, 101655), (6024, 91530), (6102, 90360), (6480, 85089), (6777, 81360), (6780, 81324), (7530, 73224), (8136, 67770), (9036, 61020), (9040, 60993), (9153, 60240), (9720, 56726), (10040, 54918), (10170, 54216), (11295, 48816), (12048, 45765), (12204, 45180), (13554, 40680), (13560, 40662), (15060, 36612), (15255, 36144), (16272, 33885), (18072, 30510), (18306, 30120), (19440, 28363), (20080, 27459), (20331, 27120), (20340, 27108), (22590, 24408)]