1999838880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:688

約数の個数: 288

約数和(自身を含む): 7394469264

約数和(自身を除く): 5394630384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 317, 337, 360, 390, 416, 468, 480, 520, 585, 624, 634, 674, 720, 780, 936, 951, 1011, 1040, 1170, 1248, 1268, 1348, 1440, 1560, 1585, 1685, 1872, 1902, 2022, 2080, 2340, 2536, 2696, 2853, 3033, 3120, 3170, 3370, 3744, 3804, 4044, 4121, 4381, 4680, 4755, 5055, 5072, 5392, 5706, 6066, 6240, 6340, 6740, 7608, 8088, 8242, 8762, 9360, 9510, 10110, 10144, 10784, 11412, 12132, 12363, 12680, 13143, 13480, 14265, 15165, 15216, 16176, 16484, 17524, 18720, 19020, 20220, 20605, 21905, 22824, 24264, 24726, 25360, 26286, 26960, 28530, 30330, 30432, 32352, 32968, 35048, 37089, 38040, 39429, 40440, 41210, 43810, 45648, 48528, 49452, 50720, 52572, 53920, 57060, 60660, 61815, 65715, 65936, 70096, 74178, 76080, 78858, 80880, 82420, 87620, 91296, 97056, 98904, 105144, 106829, 114120, 121320, 123630, 131430, 131872, 140192, 148356, 152160, 157716, 161760, 164840, 175240, 185445, 197145, 197808, 210288, 213658, 228240, 242640, 247260, 262860, 296712, 315432, 320487, 329680, 350480, 370890, 394290, 395616, 420576, 427316, 456480, 485280, 494520, 525720, 534145, 593424, 630864, 640974, 659360, 700960, 741780, 788580, 854632, 961461, 989040, 1051440, 1068290, 1186848, 1261728, 1281948, 1388777, 1483560, 1577160, 1602435, 1709264, 1922922, 1978080, 2102880, 2136580, 2563896, 2777554, 2967120, 3154320, 3204870, 3418528, 3845844, 4166331, 4273160, 4807305, 5127792, 5555108, 5934240, 6308640, 6409740, 6943885, 7691688, 8332662, 8546320, 9614610, 10255584, 11110216, 12498993, 12819480, 13887770, 15383376, 16665324, 17092640, 19229220, 20831655, 22220432, 24997986, 25638960, 27775540, 30766752, 33330648, 38458440, 41663310, 44440864, 49995972, 51277920, 55551080, 62494965, 66661296, 76916880, 83326620, 99991944, 111102160, 124989930, 133322592, 153833760, 166653240, 199983888, 222204320, 249979860, 333306480, 399967776, 499959720, 666612960, 999919440, 1999838880]

約数ペア:

[(1, 1999838880), (2, 999919440), (3, 666612960), (4, 499959720), (5, 399967776), (6, 333306480), (8, 249979860), (9, 222204320), (10, 199983888), (12, 166653240), (13, 153833760), (15, 133322592), (16, 124989930), (18, 111102160), (20, 99991944), (24, 83326620), (26, 76916880), (30, 66661296), (32, 62494965), (36, 55551080), (39, 51277920), (40, 49995972), (45, 44440864), (48, 41663310), (52, 38458440), (60, 33330648), (65, 30766752), (72, 27775540), (78, 25638960), (80, 24997986), (90, 22220432), (96, 20831655), (104, 19229220), (117, 17092640), (120, 16665324), (130, 15383376), (144, 13887770), (156, 12819480), (160, 12498993), (180, 11110216), (195, 10255584), (208, 9614610), (234, 8546320), (240, 8332662), (260, 7691688), (288, 6943885), (312, 6409740), (317, 6308640), (337, 5934240), (360, 5555108), (390, 5127792), (416, 4807305), (468, 4273160), (480, 4166331), (520, 3845844), (585, 3418528), (624, 3204870), (634, 3154320), (674, 2967120), (720, 2777554), (780, 2563896), (936, 2136580), (951, 2102880), (1011, 1978080), (1040, 1922922), (1170, 1709264), (1248, 1602435), (1268, 1577160), (1348, 1483560), (1440, 1388777), (1560, 1281948), (1585, 1261728), (1685, 1186848), (1872, 1068290), (1902, 1051440), (2022, 989040), (2080, 961461), (2340, 854632), (2536, 788580), (2696, 741780), (2853, 700960), (3033, 659360), (3120, 640974), (3170, 630864), (3370, 593424), (3744, 534145), (3804, 525720), (4044, 494520), (4121, 485280), (4381, 456480), (4680, 427316), (4755, 420576), (5055, 395616), (5072, 394290), (5392, 370890), (5706, 350480), (6066, 329680), (6240, 320487), (6340, 315432), (6740, 296712), (7608, 262860), (8088, 247260), (8242, 242640), (8762, 228240), (9360, 213658), (9510, 210288), (10110, 197808), (10144, 197145), (10784, 185445), (11412, 175240), (12132, 164840), (12363, 161760), (12680, 157716), (13143, 152160), (13480, 148356), (14265, 140192), (15165, 131872), (15216, 131430), (16176, 123630), (16484, 121320), (17524, 114120), (18720, 106829), (19020, 105144), (20220, 98904), (20605, 97056), (21905, 91296), (22824, 87620), (24264, 82420), (24726, 80880), (25360, 78858), (26286, 76080), (26960, 74178), (28530, 70096), (30330, 65936), (30432, 65715), (32352, 61815), (32968, 60660), (35048, 57060), (37089, 53920), (38040, 52572), (39429, 50720), (40440, 49452), (41210, 48528), (43810, 45648)]