628517120

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:957

約数の個数: 216

約数和(自身を含む): 1912595328

約数和(自身を除く): 1284078208

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 256, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 640, 704, 770, 784, 880, 896, 911, 980, 1078, 1120, 1232, 1280, 1408, 1540, 1568, 1760, 1792, 1822, 1960, 2156, 2240, 2464, 2695, 2816, 3080, 3136, 3520, 3644, 3920, 4312, 4480, 4555, 4928, 5390, 6160, 6272, 6377, 7040, 7288, 7840, 8624, 8960, 9110, 9856, 10021, 10780, 12320, 12544, 12754, 14080, 14576, 15680, 17248, 18220, 19712, 20042, 21560, 24640, 25508, 29152, 31360, 31885, 34496, 36440, 40084, 43120, 44639, 49280, 50105, 51016, 58304, 62720, 63770, 68992, 70147, 72880, 80168, 86240, 89278, 98560, 100210, 102032, 116608, 127540, 137984, 140294, 145760, 160336, 172480, 178556, 200420, 204064, 223195, 233216, 255080, 280588, 291520, 320672, 344960, 350735, 357112, 400840, 408128, 446390, 491029, 510160, 561176, 583040, 641344, 689920, 701470, 714224, 801680, 816256, 892780, 982058, 1020320, 1122352, 1166080, 1282688, 1402940, 1428448, 1603360, 1632512, 1785560, 1964116, 2040640, 2244704, 2455145, 2565376, 2805880, 2856896, 3206720, 3571120, 3928232, 4081280, 4489408, 4910290, 5611760, 5713792, 6413440, 7142240, 7856464, 8162560, 8978816, 9820580, 11223520, 11427584, 12826880, 14284480, 15712928, 17957632, 19641160, 22447040, 28568960, 31425856, 39282320, 44894080, 57137920, 62851712, 78564640, 89788160, 125703424, 157129280, 314258560, 628517120]

約数ペア:

[(1, 628517120), (2, 314258560), (4, 157129280), (5, 125703424), (7, 89788160), (8, 78564640), (10, 62851712), (11, 57137920), (14, 44894080), (16, 39282320), (20, 31425856), (22, 28568960), (28, 22447040), (32, 19641160), (35, 17957632), (40, 15712928), (44, 14284480), (49, 12826880), (55, 11427584), (56, 11223520), (64, 9820580), (70, 8978816), (77, 8162560), (80, 7856464), (88, 7142240), (98, 6413440), (110, 5713792), (112, 5611760), (128, 4910290), (140, 4489408), (154, 4081280), (160, 3928232), (176, 3571120), (196, 3206720), (220, 2856896), (224, 2805880), (245, 2565376), (256, 2455145), (280, 2244704), (308, 2040640), (320, 1964116), (352, 1785560), (385, 1632512), (392, 1603360), (440, 1428448), (448, 1402940), (490, 1282688), (539, 1166080), (560, 1122352), (616, 1020320), (640, 982058), (704, 892780), (770, 816256), (784, 801680), (880, 714224), (896, 701470), (911, 689920), (980, 641344), (1078, 583040), (1120, 561176), (1232, 510160), (1280, 491029), (1408, 446390), (1540, 408128), (1568, 400840), (1760, 357112), (1792, 350735), (1822, 344960), (1960, 320672), (2156, 291520), (2240, 280588), (2464, 255080), (2695, 233216), (2816, 223195), (3080, 204064), (3136, 200420), (3520, 178556), (3644, 172480), (3920, 160336), (4312, 145760), (4480, 140294), (4555, 137984), (4928, 127540), (5390, 116608), (6160, 102032), (6272, 100210), (6377, 98560), (7040, 89278), (7288, 86240), (7840, 80168), (8624, 72880), (8960, 70147), (9110, 68992), (9856, 63770), (10021, 62720), (10780, 58304), (12320, 51016), (12544, 50105), (12754, 49280), (14080, 44639), (14576, 43120), (15680, 40084), (17248, 36440), (18220, 34496), (19712, 31885), (20042, 31360), (21560, 29152), (24640, 25508)]