1672640320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 168

約数和(自身を含む): 4362428664

約数和(自身を除く): 2689788344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 157, 160, 169, 197, 208, 260, 314, 320, 338, 394, 416, 520, 628, 676, 785, 788, 832, 845, 985, 1040, 1256, 1352, 1570, 1576, 1690, 1970, 2041, 2080, 2512, 2561, 2704, 3140, 3152, 3380, 3940, 4082, 4160, 5024, 5122, 5408, 6280, 6304, 6760, 7880, 8164, 10048, 10205, 10244, 10816, 12560, 12608, 12805, 13520, 15760, 16328, 20410, 20488, 25120, 25610, 26533, 27040, 30929, 31520, 32656, 33293, 40820, 40976, 50240, 51220, 53066, 54080, 61858, 63040, 65312, 66586, 81640, 81952, 102440, 106132, 123716, 130624, 132665, 133172, 154645, 163280, 163904, 166465, 204880, 212264, 247432, 265330, 266344, 309290, 326560, 332930, 402077, 409760, 424528, 494864, 530660, 532688, 618580, 653120, 665860, 804154, 819520, 849056, 989728, 1061320, 1065376, 1237160, 1331720, 1608308, 1698112, 1979456, 2010385, 2122640, 2130752, 2474320, 2663440, 3216616, 4020770, 4245280, 4948640, 5227001, 5326880, 6433232, 8041540, 8490560, 9897280, 10454002, 10653760, 12866464, 16083080, 20908004, 25732928, 26135005, 32166160, 41816008, 52270010, 64332320, 83632016, 104540020, 128664640, 167264032, 209080040, 334528064, 418160080, 836320160, 1672640320]

約数ペア:

[(1, 1672640320), (2, 836320160), (4, 418160080), (5, 334528064), (8, 209080040), (10, 167264032), (13, 128664640), (16, 104540020), (20, 83632016), (26, 64332320), (32, 52270010), (40, 41816008), (52, 32166160), (64, 26135005), (65, 25732928), (80, 20908004), (104, 16083080), (130, 12866464), (157, 10653760), (160, 10454002), (169, 9897280), (197, 8490560), (208, 8041540), (260, 6433232), (314, 5326880), (320, 5227001), (338, 4948640), (394, 4245280), (416, 4020770), (520, 3216616), (628, 2663440), (676, 2474320), (785, 2130752), (788, 2122640), (832, 2010385), (845, 1979456), (985, 1698112), (1040, 1608308), (1256, 1331720), (1352, 1237160), (1570, 1065376), (1576, 1061320), (1690, 989728), (1970, 849056), (2041, 819520), (2080, 804154), (2512, 665860), (2561, 653120), (2704, 618580), (3140, 532688), (3152, 530660), (3380, 494864), (3940, 424528), (4082, 409760), (4160, 402077), (5024, 332930), (5122, 326560), (5408, 309290), (6280, 266344), (6304, 265330), (6760, 247432), (7880, 212264), (8164, 204880), (10048, 166465), (10205, 163904), (10244, 163280), (10816, 154645), (12560, 133172), (12608, 132665), (12805, 130624), (13520, 123716), (15760, 106132), (16328, 102440), (20410, 81952), (20488, 81640), (25120, 66586), (25610, 65312), (26533, 63040), (27040, 61858), (30929, 54080), (31520, 53066), (32656, 51220), (33293, 50240), (40820, 40976)]