251159040

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 240

約数和(自身を含む): 949867776

約数和(自身を除く): 698708736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 991, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 1982, 2112, 2304, 2560, 2640, 2816, 2880, 2973, 3168, 3520, 3840, 3960, 3964, 4224, 4608, 4955, 5280, 5632, 5760, 5946, 6336, 7040, 7680, 7920, 7928, 8448, 8919, 9910, 10560, 10901, 11520, 11892, 12672, 14080, 14865, 15840, 15856, 16896, 17838, 19820, 21120, 21802, 23040, 23784, 25344, 28160, 29730, 31680, 31712, 32703, 35676, 39640, 42240, 43604, 44595, 47568, 50688, 54505, 59460, 63360, 63424, 65406, 71352, 79280, 84480, 87208, 89190, 95136, 98109, 109010, 118920, 126720, 126848, 130812, 142704, 158560, 163515, 174416, 178380, 190272, 196218, 218020, 237840, 253440, 253696, 261624, 285408, 317120, 327030, 348832, 356760, 380544, 392436, 436040, 475680, 490545, 507392, 523248, 570816, 634240, 654060, 697664, 713520, 761088, 784872, 872080, 951360, 981090, 1046496, 1141632, 1268480, 1308120, 1395328, 1427040, 1522176, 1569744, 1744160, 1902720, 1962180, 2092992, 2283264, 2536960, 2616240, 2790656, 2854080, 3139488, 3488320, 3805440, 3924360, 4185984, 4566528, 5232480, 5581312, 5708160, 6278976, 6976640, 7610880, 7848720, 8371968, 10464960, 11416320, 12557952, 13953280, 15697440, 16743936, 20929920, 22832640, 25115904, 27906560, 31394880, 41859840, 50231808, 62789760, 83719680, 125579520, 251159040]

約数ペア:

[(1, 251159040), (2, 125579520), (3, 83719680), (4, 62789760), (5, 50231808), (6, 41859840), (8, 31394880), (9, 27906560), (10, 25115904), (11, 22832640), (12, 20929920), (15, 16743936), (16, 15697440), (18, 13953280), (20, 12557952), (22, 11416320), (24, 10464960), (30, 8371968), (32, 7848720), (33, 7610880), (36, 6976640), (40, 6278976), (44, 5708160), (45, 5581312), (48, 5232480), (55, 4566528), (60, 4185984), (64, 3924360), (66, 3805440), (72, 3488320), (80, 3139488), (88, 2854080), (90, 2790656), (96, 2616240), (99, 2536960), (110, 2283264), (120, 2092992), (128, 1962180), (132, 1902720), (144, 1744160), (160, 1569744), (165, 1522176), (176, 1427040), (180, 1395328), (192, 1308120), (198, 1268480), (220, 1141632), (240, 1046496), (256, 981090), (264, 951360), (288, 872080), (320, 784872), (330, 761088), (352, 713520), (360, 697664), (384, 654060), (396, 634240), (440, 570816), (480, 523248), (495, 507392), (512, 490545), (528, 475680), (576, 436040), (640, 392436), (660, 380544), (704, 356760), (720, 348832), (768, 327030), (792, 317120), (880, 285408), (960, 261624), (990, 253696), (991, 253440), (1056, 237840), (1152, 218020), (1280, 196218), (1320, 190272), (1408, 178380), (1440, 174416), (1536, 163515), (1584, 158560), (1760, 142704), (1920, 130812), (1980, 126848), (1982, 126720), (2112, 118920), (2304, 109010), (2560, 98109), (2640, 95136), (2816, 89190), (2880, 87208), (2973, 84480), (3168, 79280), (3520, 71352), (3840, 65406), (3960, 63424), (3964, 63360), (4224, 59460), (4608, 54505), (4955, 50688), (5280, 47568), (5632, 44595), (5760, 43604), (5946, 42240), (6336, 39640), (7040, 35676), (7680, 32703), (7920, 31712), (7928, 31680), (8448, 29730), (8919, 28160), (9910, 25344), (10560, 23784), (10901, 23040), (11520, 21802), (11892, 21120), (12672, 19820), (14080, 17838), (14865, 16896), (15840, 15856)]