20105680000

素因数分解:

$2^7\times 5^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:294

約数の個数: 480

約数和(自身を含む): 61027464960

約数和(自身を除く): 40921784960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 49, 50, 56, 64, 70, 80, 92, 98, 100, 112, 115, 125, 128, 140, 160, 161, 175, 184, 196, 200, 223, 224, 230, 245, 250, 280, 320, 322, 350, 368, 392, 400, 446, 448, 460, 490, 500, 560, 575, 625, 640, 644, 700, 736, 784, 800, 805, 875, 892, 896, 920, 980, 1000, 1115, 1120, 1127, 1150, 1225, 1250, 1288, 1400, 1472, 1561, 1568, 1600, 1610, 1750, 1784, 1840, 1960, 2000, 2230, 2240, 2254, 2300, 2450, 2500, 2576, 2800, 2875, 2944, 3122, 3136, 3200, 3220, 3500, 3568, 3680, 3920, 4000, 4025, 4375, 4460, 4480, 4508, 4600, 4900, 5000, 5129, 5152, 5575, 5600, 5635, 5750, 6125, 6244, 6272, 6440, 7000, 7136, 7360, 7805, 7840, 8000, 8050, 8750, 8920, 9016, 9200, 9800, 10000, 10258, 10304, 10927, 11150, 11200, 11270, 11500, 12250, 12488, 12880, 14000, 14272, 14375, 14720, 15610, 15680, 16000, 16100, 17500, 17840, 18032, 18400, 19600, 20000, 20125, 20516, 20608, 21854, 22300, 22400, 22540, 23000, 24500, 24976, 25645, 25760, 27875, 28000, 28175, 28544, 28750, 30625, 31220, 31360, 32200, 35000, 35680, 35903, 36064, 36800, 39025, 39200, 40000, 40250, 41032, 43708, 44600, 45080, 46000, 49000, 49952, 51290, 51520, 54635, 55750, 56000, 56350, 57500, 61250, 62440, 64400, 70000, 71360, 71806, 72128, 73600, 78050, 78400, 80000, 80500, 82064, 87416, 89200, 90160, 92000, 98000, 99904, 100625, 102580, 103040, 109270, 111500, 112000, 112700, 115000, 122500, 124880, 128225, 128800, 139375, 140000, 140875, 142720, 143612, 144256, 156100, 156800, 161000, 164128, 174832, 178400, 179515, 180320, 184000, 195125, 196000, 199808, 201250, 205160, 218540, 223000, 225400, 230000, 245000, 249760, 251321, 256450, 257600, 273175, 278750, 280000, 281750, 287224, 312200, 322000, 328256, 349664, 356800, 359030, 360640, 368000, 390250, 392000, 402500, 410320, 437080, 446000, 450800, 460000, 490000, 499520, 502642, 512900, 515200, 546350, 557500, 560000, 563500, 574448, 624400, 641125, 644000, 656512, 699328, 704375, 713600, 718060, 721280, 780500, 784000, 805000, 820640, 874160, 892000, 897575, 901600, 920000, 975625, 980000, 999040, 1005284, 1025800, 1092700, 1115000, 1127000, 1148896, 1248800, 1256605, 1282250, 1288000, 1365875, 1398656, 1408750, 1436120, 1561000, 1610000, 1641280, 1748320, 1784000, 1795150, 1803200, 1840000, 1951250, 1960000, 2010568, 2051600, 2185400, 2230000, 2254000, 2297792, 2497600, 2513210, 2564500, 2576000, 2731750, 2817500, 2872240, 3122000, 3205625, 3220000, 3282560, 3496640, 3568000, 3590300, 3606400, 3902500, 3920000, 4021136, 4103200, 4370800, 4460000, 4487875, 4508000, 4595584, 4995200, 5026420, 5129000, 5463500, 5635000, 5744480, 6244000, 6283025, 6411250, 6440000, 6829375, 6993280, 7180600, 7805000, 8042272, 8206400, 8741600, 8920000, 8975750, 9016000, 10052840, 10258000, 10927000, 11270000, 11488960, 12488000, 12566050, 12822500, 12880000, 13658750, 14361200, 15610000, 16084544, 16412800, 17483200, 17840000, 17951500, 18032000, 20105680, 20516000, 21854000, 22439375, 22540000, 22977920, 24976000, 25132100, 25645000, 27317500, 28722400, 31220000, 31415125, 32169088, 34966400, 35903000, 40211360, 41032000, 43708000, 44878750, 45080000, 50264200, 51290000, 54635000, 57444800, 62440000, 62830250, 71806000, 80422720, 82064000, 87416000, 89757500, 90160000, 100528400, 102580000, 109270000, 114889600, 124880000, 125660500, 143612000, 157075625, 160845440, 174832000, 179515000, 201056800, 205160000, 218540000, 251321000, 287224000, 314151250, 359030000, 402113600, 410320000, 437080000, 502642000, 574448000, 628302500, 718060000, 804227200, 874160000, 1005284000, 1256605000, 1436120000, 2010568000, 2513210000, 2872240000, 4021136000, 5026420000, 10052840000, 20105680000]

約数ペア:

[(1, 20105680000), (2, 10052840000), (4, 5026420000), (5, 4021136000), (7, 2872240000), (8, 2513210000), (10, 2010568000), (14, 1436120000), (16, 1256605000), (20, 1005284000), (23, 874160000), (25, 804227200), (28, 718060000), (32, 628302500), (35, 574448000), (40, 502642000), (46, 437080000), (49, 410320000), (50, 402113600), (56, 359030000), (64, 314151250), (70, 287224000), (80, 251321000), (92, 218540000), (98, 205160000), (100, 201056800), (112, 179515000), (115, 174832000), (125, 160845440), (128, 157075625), (140, 143612000), (160, 125660500), (161, 124880000), (175, 114889600), (184, 109270000), (196, 102580000), (200, 100528400), (223, 90160000), (224, 89757500), (230, 87416000), (245, 82064000), (250, 80422720), (280, 71806000), (320, 62830250), (322, 62440000), (350, 57444800), (368, 54635000), (392, 51290000), (400, 50264200), (446, 45080000), (448, 44878750), (460, 43708000), (490, 41032000), (500, 40211360), (560, 35903000), (575, 34966400), (625, 32169088), (640, 31415125), (644, 31220000), (700, 28722400), (736, 27317500), (784, 25645000), (800, 25132100), (805, 24976000), (875, 22977920), (892, 22540000), (896, 22439375), (920, 21854000), (980, 20516000), (1000, 20105680), (1115, 18032000), (1120, 17951500), (1127, 17840000), (1150, 17483200), (1225, 16412800), (1250, 16084544), (1288, 15610000), (1400, 14361200), (1472, 13658750), (1561, 12880000), (1568, 12822500), (1600, 12566050), (1610, 12488000), (1750, 11488960), (1784, 11270000), (1840, 10927000), (1960, 10258000), (2000, 10052840), (2230, 9016000), (2240, 8975750), (2254, 8920000), (2300, 8741600), (2450, 8206400), (2500, 8042272), (2576, 7805000), (2800, 7180600), (2875, 6993280), (2944, 6829375), (3122, 6440000), (3136, 6411250), (3200, 6283025), (3220, 6244000), (3500, 5744480), (3568, 5635000), (3680, 5463500), (3920, 5129000), (4000, 5026420), (4025, 4995200), (4375, 4595584), (4460, 4508000), (4480, 4487875), (4508, 4460000), (4600, 4370800), (4900, 4103200), (5000, 4021136), (5129, 3920000), (5152, 3902500), (5575, 3606400), (5600, 3590300), (5635, 3568000), (5750, 3496640), (6125, 3282560), (6244, 3220000), (6272, 3205625), (6440, 3122000), (7000, 2872240), (7136, 2817500), (7360, 2731750), (7805, 2576000), (7840, 2564500), (8000, 2513210), (8050, 2497600), (8750, 2297792), (8920, 2254000), (9016, 2230000), (9200, 2185400), (9800, 2051600), (10000, 2010568), (10258, 1960000), (10304, 1951250), (10927, 1840000), (11150, 1803200), (11200, 1795150), (11270, 1784000), (11500, 1748320), (12250, 1641280), (12488, 1610000), (12880, 1561000), (14000, 1436120), (14272, 1408750), (14375, 1398656), (14720, 1365875), (15610, 1288000), (15680, 1282250), (16000, 1256605), (16100, 1248800), (17500, 1148896), (17840, 1127000), (18032, 1115000), (18400, 1092700), (19600, 1025800), (20000, 1005284), (20125, 999040), (20516, 980000), (20608, 975625), (21854, 920000), (22300, 901600), (22400, 897575), (22540, 892000), (23000, 874160), (24500, 820640), (24976, 805000), (25645, 784000), (25760, 780500), (27875, 721280), (28000, 718060), (28175, 713600), (28544, 704375), (28750, 699328), (30625, 656512), (31220, 644000), (31360, 641125), (32200, 624400), (35000, 574448), (35680, 563500), (35903, 560000), (36064, 557500), (36800, 546350), (39025, 515200), (39200, 512900), (40000, 502642), (40250, 499520), (41032, 490000), (43708, 460000), (44600, 450800), (45080, 446000), (46000, 437080), (49000, 410320), (49952, 402500), (51290, 392000), (51520, 390250), (54635, 368000), (55750, 360640), (56000, 359030), (56350, 356800), (57500, 349664), (61250, 328256), (62440, 322000), (64400, 312200), (70000, 287224), (71360, 281750), (71806, 280000), (72128, 278750), (73600, 273175), (78050, 257600), (78400, 256450), (80000, 251321), (80500, 249760), (82064, 245000), (87416, 230000), (89200, 225400), (90160, 223000), (92000, 218540), (98000, 205160), (99904, 201250), (100625, 199808), (102580, 196000), (103040, 195125), (109270, 184000), (111500, 180320), (112000, 179515), (112700, 178400), (115000, 174832), (122500, 164128), (124880, 161000), (128225, 156800), (128800, 156100), (139375, 144256), (140000, 143612), (140875, 142720)]