638909040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 360

約数和(自身を含む): 2538118800

約数和(自身を除く): 1899209760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 121, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 242, 245, 264, 280, 294, 308, 330, 336, 363, 385, 392, 420, 440, 449, 462, 484, 490, 528, 539, 560, 588, 605, 616, 660, 726, 735, 770, 784, 840, 847, 880, 898, 924, 968, 980, 1078, 1155, 1176, 1210, 1232, 1320, 1347, 1452, 1470, 1540, 1617, 1680, 1694, 1796, 1815, 1848, 1936, 1960, 2156, 2245, 2310, 2352, 2420, 2541, 2640, 2694, 2695, 2904, 2940, 3080, 3143, 3234, 3388, 3592, 3630, 3696, 3920, 4235, 4312, 4490, 4620, 4840, 4939, 5082, 5388, 5390, 5808, 5880, 5929, 6160, 6286, 6468, 6735, 6776, 7184, 7260, 8085, 8470, 8624, 8980, 9240, 9429, 9680, 9878, 10164, 10776, 10780, 11760, 11858, 12572, 12705, 12936, 13470, 13552, 14520, 14817, 15715, 16170, 16940, 17787, 17960, 18480, 18858, 19756, 20328, 21552, 21560, 22001, 23716, 24695, 25144, 25410, 25872, 26940, 29040, 29634, 29645, 31430, 32340, 33880, 34573, 35574, 35920, 37716, 39512, 40656, 43120, 44002, 47145, 47432, 49390, 50288, 50820, 53880, 54329, 59268, 59290, 62860, 64680, 66003, 67760, 69146, 71148, 74085, 75432, 79024, 88004, 88935, 94290, 94864, 98780, 101640, 103719, 107760, 108658, 110005, 118536, 118580, 125720, 129360, 132006, 138292, 142296, 148170, 150864, 162987, 172865, 176008, 177870, 188580, 197560, 203280, 207438, 217316, 220010, 237072, 237160, 242011, 251440, 264012, 271645, 276584, 284592, 296340, 325974, 330015, 345730, 352016, 355740, 377160, 380303, 395120, 414876, 434632, 440020, 474320, 484022, 518595, 528024, 543290, 553168, 592680, 651948, 660030, 691460, 711480, 726033, 754320, 760606, 814935, 829752, 869264, 880040, 968044, 1037190, 1056048, 1086580, 1140909, 1185360, 1210055, 1303896, 1320060, 1382920, 1422960, 1452066, 1521212, 1629870, 1659504, 1760080, 1901515, 1936088, 2074380, 2173160, 2281818, 2420110, 2607792, 2640120, 2662121, 2765840, 2904132, 3042424, 3259740, 3630165, 3803030, 3872176, 4148760, 4346320, 4563636, 4840220, 5280240, 5324242, 5704545, 5808264, 6084848, 6519480, 7260330, 7606060, 7986363, 8297520, 9127272, 9680440, 10648484, 11409090, 11616528, 13038960, 13310605, 14520660, 15212120, 15972726, 18254544, 19360880, 21296968, 22818180, 26621210, 29041320, 30424240, 31945452, 39931815, 42593936, 45636360, 53242420, 58082640, 63890904, 79863630, 91272720, 106484840, 127781808, 159727260, 212969680, 319454520, 638909040]

約数ペア:

[(1, 638909040), (2, 319454520), (3, 212969680), (4, 159727260), (5, 127781808), (6, 106484840), (7, 91272720), (8, 79863630), (10, 63890904), (11, 58082640), (12, 53242420), (14, 45636360), (15, 42593936), (16, 39931815), (20, 31945452), (21, 30424240), (22, 29041320), (24, 26621210), (28, 22818180), (30, 21296968), (33, 19360880), (35, 18254544), (40, 15972726), (42, 15212120), (44, 14520660), (48, 13310605), (49, 13038960), (55, 11616528), (56, 11409090), (60, 10648484), (66, 9680440), (70, 9127272), (77, 8297520), (80, 7986363), (84, 7606060), (88, 7260330), (98, 6519480), (105, 6084848), (110, 5808264), (112, 5704545), (120, 5324242), (121, 5280240), (132, 4840220), (140, 4563636), (147, 4346320), (154, 4148760), (165, 3872176), (168, 3803030), (176, 3630165), (196, 3259740), (210, 3042424), (220, 2904132), (231, 2765840), (240, 2662121), (242, 2640120), (245, 2607792), (264, 2420110), (280, 2281818), (294, 2173160), (308, 2074380), (330, 1936088), (336, 1901515), (363, 1760080), (385, 1659504), (392, 1629870), (420, 1521212), (440, 1452066), (449, 1422960), (462, 1382920), (484, 1320060), (490, 1303896), (528, 1210055), (539, 1185360), (560, 1140909), (588, 1086580), (605, 1056048), (616, 1037190), (660, 968044), (726, 880040), (735, 869264), (770, 829752), (784, 814935), (840, 760606), (847, 754320), (880, 726033), (898, 711480), (924, 691460), (968, 660030), (980, 651948), (1078, 592680), (1155, 553168), (1176, 543290), (1210, 528024), (1232, 518595), (1320, 484022), (1347, 474320), (1452, 440020), (1470, 434632), (1540, 414876), (1617, 395120), (1680, 380303), (1694, 377160), (1796, 355740), (1815, 352016), (1848, 345730), (1936, 330015), (1960, 325974), (2156, 296340), (2245, 284592), (2310, 276584), (2352, 271645), (2420, 264012), (2541, 251440), (2640, 242011), (2694, 237160), (2695, 237072), (2904, 220010), (2940, 217316), (3080, 207438), (3143, 203280), (3234, 197560), (3388, 188580), (3592, 177870), (3630, 176008), (3696, 172865), (3920, 162987), (4235, 150864), (4312, 148170), (4490, 142296), (4620, 138292), (4840, 132006), (4939, 129360), (5082, 125720), (5388, 118580), (5390, 118536), (5808, 110005), (5880, 108658), (5929, 107760), (6160, 103719), (6286, 101640), (6468, 98780), (6735, 94864), (6776, 94290), (7184, 88935), (7260, 88004), (8085, 79024), (8470, 75432), (8624, 74085), (8980, 71148), (9240, 69146), (9429, 67760), (9680, 66003), (9878, 64680), (10164, 62860), (10776, 59290), (10780, 59268), (11760, 54329), (11858, 53880), (12572, 50820), (12705, 50288), (12936, 49390), (13470, 47432), (13552, 47145), (14520, 44002), (14817, 43120), (15715, 40656), (16170, 39512), (16940, 37716), (17787, 35920), (17960, 35574), (18480, 34573), (18858, 33880), (19756, 32340), (20328, 31430), (21552, 29645), (21560, 29634), (22001, 29040), (23716, 26940), (24695, 25872), (25144, 25410)]