1591280640

素因数分解:

$2^{10}\times 3^5\times 5^1\times {\mathrm{1279}}^1$

素因数の和:1319

約数の個数: 264

約数和(自身を含む): 5722429440

約数和(自身を除く): 4131148800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1024, 1080, 1152, 1215, 1279, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2558, 2560, 2592, 2880, 3072, 3240, 3456, 3837, 3840, 3888, 4320, 4608, 4860, 5116, 5120, 5184, 5760, 6395, 6480, 6912, 7674, 7680, 7776, 8640, 9216, 9720, 10232, 10368, 11511, 11520, 12790, 12960, 13824, 15348, 15360, 15552, 17280, 19185, 19440, 20464, 20736, 23022, 23040, 25580, 25920, 27648, 30696, 31104, 34533, 34560, 38370, 38880, 40928, 41472, 46044, 46080, 51160, 51840, 57555, 61392, 62208, 69066, 69120, 76740, 77760, 81856, 82944, 92088, 102320, 103599, 103680, 115110, 122784, 124416, 138132, 138240, 153480, 155520, 163712, 172665, 184176, 204640, 207198, 207360, 230220, 245568, 248832, 276264, 306960, 310797, 311040, 327424, 345330, 368352, 409280, 414396, 414720, 460440, 491136, 517995, 552528, 613920, 621594, 622080, 654848, 690660, 736704, 818560, 828792, 920880, 982272, 1035990, 1105056, 1227840, 1243188, 1244160, 1309696, 1381320, 1473408, 1553985, 1637120, 1657584, 1841760, 1964544, 2071980, 2210112, 2455680, 2486376, 2762640, 2946816, 3107970, 3274240, 3315168, 3683520, 3929088, 4143960, 4420224, 4911360, 4972752, 5525280, 5893632, 6215940, 6548480, 6630336, 7367040, 8287920, 8840448, 9822720, 9945504, 11050560, 11787264, 12431880, 13260672, 14734080, 16575840, 17680896, 19645440, 19891008, 22101120, 24863760, 26521344, 29468160, 33151680, 35361792, 39782016, 44202240, 49727520, 53042688, 58936320, 66303360, 79564032, 88404480, 99455040, 106085376, 132606720, 159128064, 176808960, 198910080, 265213440, 318256128, 397820160, 530426880, 795640320, 1591280640]

約数ペア:

[(1, 1591280640), (2, 795640320), (3, 530426880), (4, 397820160), (5, 318256128), (6, 265213440), (8, 198910080), (9, 176808960), (10, 159128064), (12, 132606720), (15, 106085376), (16, 99455040), (18, 88404480), (20, 79564032), (24, 66303360), (27, 58936320), (30, 53042688), (32, 49727520), (36, 44202240), (40, 39782016), (45, 35361792), (48, 33151680), (54, 29468160), (60, 26521344), (64, 24863760), (72, 22101120), (80, 19891008), (81, 19645440), (90, 17680896), (96, 16575840), (108, 14734080), (120, 13260672), (128, 12431880), (135, 11787264), (144, 11050560), (160, 9945504), (162, 9822720), (180, 8840448), (192, 8287920), (216, 7367040), (240, 6630336), (243, 6548480), (256, 6215940), (270, 5893632), (288, 5525280), (320, 4972752), (324, 4911360), (360, 4420224), (384, 4143960), (405, 3929088), (432, 3683520), (480, 3315168), (486, 3274240), (512, 3107970), (540, 2946816), (576, 2762640), (640, 2486376), (648, 2455680), (720, 2210112), (768, 2071980), (810, 1964544), (864, 1841760), (960, 1657584), (972, 1637120), (1024, 1553985), (1080, 1473408), (1152, 1381320), (1215, 1309696), (1279, 1244160), (1280, 1243188), (1296, 1227840), (1440, 1105056), (1536, 1035990), (1620, 982272), (1728, 920880), (1920, 828792), (1944, 818560), (2160, 736704), (2304, 690660), (2430, 654848), (2558, 622080), (2560, 621594), (2592, 613920), (2880, 552528), (3072, 517995), (3240, 491136), (3456, 460440), (3837, 414720), (3840, 414396), (3888, 409280), (4320, 368352), (4608, 345330), (4860, 327424), (5116, 311040), (5120, 310797), (5184, 306960), (5760, 276264), (6395, 248832), (6480, 245568), (6912, 230220), (7674, 207360), (7680, 207198), (7776, 204640), (8640, 184176), (9216, 172665), (9720, 163712), (10232, 155520), (10368, 153480), (11511, 138240), (11520, 138132), (12790, 124416), (12960, 122784), (13824, 115110), (15348, 103680), (15360, 103599), (15552, 102320), (17280, 92088), (19185, 82944), (19440, 81856), (20464, 77760), (20736, 76740), (23022, 69120), (23040, 69066), (25580, 62208), (25920, 61392), (27648, 57555), (30696, 51840), (31104, 51160), (34533, 46080), (34560, 46044), (38370, 41472), (38880, 40928)]