280255216640

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{21661}}^1$

素因数の和:21731

約数の個数: 264

約数和(自身を含む): 810928580832

約数和(自身を除く): 530673364192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 361, 380, 448, 512, 532, 560, 608, 640, 665, 722, 760, 896, 1024, 1064, 1120, 1216, 1280, 1330, 1444, 1520, 1792, 1805, 2128, 2240, 2432, 2527, 2560, 2660, 2888, 3040, 3584, 3610, 4256, 4480, 4864, 5054, 5120, 5320, 5776, 6080, 7168, 7220, 8512, 8960, 9728, 10108, 10640, 11552, 12160, 12635, 14440, 17024, 17920, 19456, 20216, 21280, 21661, 23104, 24320, 25270, 28880, 34048, 35840, 40432, 42560, 43322, 46208, 48640, 50540, 57760, 68096, 80864, 85120, 86644, 92416, 97280, 101080, 108305, 115520, 136192, 151627, 161728, 170240, 173288, 184832, 202160, 216610, 231040, 303254, 323456, 340480, 346576, 369664, 404320, 411559, 433220, 462080, 606508, 646912, 680960, 693152, 758135, 808640, 823118, 866440, 924160, 1213016, 1293824, 1386304, 1516270, 1617280, 1646236, 1732880, 1848320, 2057795, 2426032, 2587648, 2772608, 2880913, 3032540, 3234560, 3292472, 3465760, 4115590, 4852064, 5545216, 5761826, 6065080, 6469120, 6584944, 6931520, 7819621, 8231180, 9704128, 11090432, 11523652, 12130160, 12938240, 13169888, 13863040, 14404565, 15639242, 16462360, 19408256, 22180864, 23047304, 24260320, 26339776, 27726080, 28809130, 31278484, 32924720, 38816512, 39098105, 46094608, 48520640, 52679552, 54737347, 55452160, 57618260, 62556968, 65849440, 77633024, 78196210, 92189216, 97041280, 105359104, 109474694, 110904320, 115236520, 125113936, 131698880, 155266048, 156392420, 184378432, 194082560, 210718208, 218949388, 230473040, 250227872, 263397760, 273686735, 312784840, 368756864, 388165120, 421436416, 437898776, 460946080, 500455744, 526795520, 547373470, 625569680, 737513728, 776330240, 875797552, 921892160, 1000911488, 1053591040, 1094746940, 1251139360, 1475027456, 1751595104, 1843784320, 2001822976, 2107182080, 2189493880, 2502278720, 2950054912, 3503190208, 3687568640, 4003645952, 4378987760, 5004557440, 7006380416, 7375137280, 8007291904, 8757975520, 10009114880, 14012760832, 14750274560, 17515951040, 20018229760, 28025521664, 35031902080, 40036459520, 56051043328, 70063804160, 140127608320, 280255216640]

約数ペア:

[(1, 280255216640), (2, 140127608320), (4, 70063804160), (5, 56051043328), (7, 40036459520), (8, 35031902080), (10, 28025521664), (14, 20018229760), (16, 17515951040), (19, 14750274560), (20, 14012760832), (28, 10009114880), (32, 8757975520), (35, 8007291904), (38, 7375137280), (40, 7006380416), (56, 5004557440), (64, 4378987760), (70, 4003645952), (76, 3687568640), (80, 3503190208), (95, 2950054912), (112, 2502278720), (128, 2189493880), (133, 2107182080), (140, 2001822976), (152, 1843784320), (160, 1751595104), (190, 1475027456), (224, 1251139360), (256, 1094746940), (266, 1053591040), (280, 1000911488), (304, 921892160), (320, 875797552), (361, 776330240), (380, 737513728), (448, 625569680), (512, 547373470), (532, 526795520), (560, 500455744), (608, 460946080), (640, 437898776), (665, 421436416), (722, 388165120), (760, 368756864), (896, 312784840), (1024, 273686735), (1064, 263397760), (1120, 250227872), (1216, 230473040), (1280, 218949388), (1330, 210718208), (1444, 194082560), (1520, 184378432), (1792, 156392420), (1805, 155266048), (2128, 131698880), (2240, 125113936), (2432, 115236520), (2527, 110904320), (2560, 109474694), (2660, 105359104), (2888, 97041280), (3040, 92189216), (3584, 78196210), (3610, 77633024), (4256, 65849440), (4480, 62556968), (4864, 57618260), (5054, 55452160), (5120, 54737347), (5320, 52679552), (5776, 48520640), (6080, 46094608), (7168, 39098105), (7220, 38816512), (8512, 32924720), (8960, 31278484), (9728, 28809130), (10108, 27726080), (10640, 26339776), (11552, 24260320), (12160, 23047304), (12635, 22180864), (14440, 19408256), (17024, 16462360), (17920, 15639242), (19456, 14404565), (20216, 13863040), (21280, 13169888), (21661, 12938240), (23104, 12130160), (24320, 11523652), (25270, 11090432), (28880, 9704128), (34048, 8231180), (35840, 7819621), (40432, 6931520), (42560, 6584944), (43322, 6469120), (46208, 6065080), (48640, 5761826), (50540, 5545216), (57760, 4852064), (68096, 4115590), (80864, 3465760), (85120, 3292472), (86644, 3234560), (92416, 3032540), (97280, 2880913), (101080, 2772608), (108305, 2587648), (115520, 2426032), (136192, 2057795), (151627, 1848320), (161728, 1732880), (170240, 1646236), (173288, 1617280), (184832, 1516270), (202160, 1386304), (216610, 1293824), (231040, 1213016), (303254, 924160), (323456, 866440), (340480, 823118), (346576, 808640), (369664, 758135), (404320, 693152), (411559, 680960), (433220, 646912), (462080, 606508)]