251190720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:921

約数の個数: 280

約数和(自身を含む): 975865968

約数和(自身を除く): 724675248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 324, 330, 352, 360, 396, 405, 432, 440, 480, 495, 528, 540, 576, 594, 648, 660, 704, 720, 792, 810, 864, 880, 881, 891, 960, 990, 1056, 1080, 1188, 1296, 1320, 1440, 1485, 1584, 1620, 1728, 1760, 1762, 1782, 1980, 2112, 2160, 2376, 2592, 2640, 2643, 2880, 2970, 3168, 3240, 3520, 3524, 3564, 3960, 4320, 4405, 4455, 4752, 5184, 5280, 5286, 5940, 6336, 6480, 7048, 7128, 7920, 7929, 8640, 8810, 8910, 9504, 9691, 10560, 10572, 11880, 12960, 13215, 14096, 14256, 15840, 15858, 17620, 17820, 19008, 19382, 21144, 23760, 23787, 25920, 26430, 28192, 28512, 29073, 31680, 31716, 35240, 35640, 38764, 39645, 42288, 47520, 47574, 48455, 52860, 56384, 57024, 58146, 63432, 70480, 71280, 71361, 77528, 79290, 84576, 87219, 95040, 95148, 96910, 105720, 116292, 118935, 126864, 140960, 142560, 142722, 145365, 155056, 158580, 169152, 174438, 190296, 193820, 211440, 232584, 237870, 253728, 261657, 281920, 285120, 285444, 290730, 310112, 317160, 348876, 356805, 380592, 387640, 422880, 436095, 465168, 475740, 507456, 523314, 570888, 581460, 620224, 634320, 697752, 713610, 761184, 775280, 784971, 845760, 872190, 930336, 951480, 1046628, 1141776, 1162920, 1268640, 1308285, 1395504, 1427220, 1522368, 1550560, 1569942, 1744380, 1860672, 1902960, 2093256, 2283552, 2325840, 2537280, 2616570, 2791008, 2854440, 3101120, 3139884, 3488760, 3805920, 3924855, 4186512, 4567104, 4651680, 5233140, 5582016, 5708880, 6279768, 6977520, 7611840, 7849710, 8373024, 9303360, 10466280, 11417760, 12559536, 13955040, 15699420, 16746048, 20932560, 22835520, 25119072, 27910080, 31398840, 41865120, 50238144, 62797680, 83730240, 125595360, 251190720]

約数ペア:

[(1, 251190720), (2, 125595360), (3, 83730240), (4, 62797680), (5, 50238144), (6, 41865120), (8, 31398840), (9, 27910080), (10, 25119072), (11, 22835520), (12, 20932560), (15, 16746048), (16, 15699420), (18, 13955040), (20, 12559536), (22, 11417760), (24, 10466280), (27, 9303360), (30, 8373024), (32, 7849710), (33, 7611840), (36, 6977520), (40, 6279768), (44, 5708880), (45, 5582016), (48, 5233140), (54, 4651680), (55, 4567104), (60, 4186512), (64, 3924855), (66, 3805920), (72, 3488760), (80, 3139884), (81, 3101120), (88, 2854440), (90, 2791008), (96, 2616570), (99, 2537280), (108, 2325840), (110, 2283552), (120, 2093256), (132, 1902960), (135, 1860672), (144, 1744380), (160, 1569942), (162, 1550560), (165, 1522368), (176, 1427220), (180, 1395504), (192, 1308285), (198, 1268640), (216, 1162920), (220, 1141776), (240, 1046628), (264, 951480), (270, 930336), (288, 872190), (297, 845760), (320, 784971), (324, 775280), (330, 761184), (352, 713610), (360, 697752), (396, 634320), (405, 620224), (432, 581460), (440, 570888), (480, 523314), (495, 507456), (528, 475740), (540, 465168), (576, 436095), (594, 422880), (648, 387640), (660, 380592), (704, 356805), (720, 348876), (792, 317160), (810, 310112), (864, 290730), (880, 285444), (881, 285120), (891, 281920), (960, 261657), (990, 253728), (1056, 237870), (1080, 232584), (1188, 211440), (1296, 193820), (1320, 190296), (1440, 174438), (1485, 169152), (1584, 158580), (1620, 155056), (1728, 145365), (1760, 142722), (1762, 142560), (1782, 140960), (1980, 126864), (2112, 118935), (2160, 116292), (2376, 105720), (2592, 96910), (2640, 95148), (2643, 95040), (2880, 87219), (2970, 84576), (3168, 79290), (3240, 77528), (3520, 71361), (3524, 71280), (3564, 70480), (3960, 63432), (4320, 58146), (4405, 57024), (4455, 56384), (4752, 52860), (5184, 48455), (5280, 47574), (5286, 47520), (5940, 42288), (6336, 39645), (6480, 38764), (7048, 35640), (7128, 35240), (7920, 31716), (7929, 31680), (8640, 29073), (8810, 28512), (8910, 28192), (9504, 26430), (9691, 25920), (10560, 23787), (10572, 23760), (11880, 21144), (12960, 19382), (13215, 19008), (14096, 17820), (14256, 17620), (15840, 15858)]