639003120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{811}}^1$

素因数の和:908

約数の個数: 240

約数和(自身を含む): 2341600128

約数和(自身を除く): 1702597008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 67, 70, 80, 84, 98, 105, 112, 120, 134, 140, 147, 168, 196, 201, 210, 240, 245, 268, 280, 294, 335, 336, 392, 402, 420, 469, 490, 536, 560, 588, 670, 735, 784, 804, 811, 840, 938, 980, 1005, 1072, 1176, 1340, 1407, 1470, 1608, 1622, 1680, 1876, 1960, 2010, 2345, 2352, 2433, 2680, 2814, 2940, 3216, 3244, 3283, 3752, 3920, 4020, 4055, 4690, 4866, 5360, 5628, 5677, 5880, 6488, 6566, 7035, 7504, 8040, 8110, 9380, 9732, 9849, 11256, 11354, 11760, 12165, 12976, 13132, 14070, 16080, 16220, 16415, 17031, 18760, 19464, 19698, 22512, 22708, 24330, 26264, 28140, 28385, 32440, 32830, 34062, 37520, 38928, 39396, 39739, 45416, 48660, 49245, 52528, 54337, 56280, 56770, 64880, 65660, 68124, 78792, 79478, 85155, 90832, 97320, 98490, 108674, 112560, 113540, 119217, 131320, 136248, 157584, 158956, 163011, 170310, 194640, 196980, 198695, 217348, 227080, 238434, 262640, 271685, 272496, 317912, 326022, 340620, 380359, 393960, 397390, 434696, 454160, 476868, 543370, 596085, 635824, 652044, 681240, 760718, 787920, 794780, 815055, 869392, 953736, 1086740, 1141077, 1192170, 1304088, 1362480, 1521436, 1589560, 1630110, 1901795, 1907472, 2173480, 2282154, 2384340, 2608176, 2662513, 3042872, 3179120, 3260220, 3803590, 4346960, 4564308, 4768680, 5325026, 5705385, 6085744, 6520440, 7607180, 7987539, 9128616, 9537360, 10650052, 11410770, 13040880, 13312565, 15214360, 15975078, 18257232, 21300104, 22821540, 26625130, 30428720, 31950156, 39937695, 42600208, 45643080, 53250260, 63900312, 79875390, 91286160, 106500520, 127800624, 159750780, 213001040, 319501560, 639003120]

約数ペア:

[(1, 639003120), (2, 319501560), (3, 213001040), (4, 159750780), (5, 127800624), (6, 106500520), (7, 91286160), (8, 79875390), (10, 63900312), (12, 53250260), (14, 45643080), (15, 42600208), (16, 39937695), (20, 31950156), (21, 30428720), (24, 26625130), (28, 22821540), (30, 21300104), (35, 18257232), (40, 15975078), (42, 15214360), (48, 13312565), (49, 13040880), (56, 11410770), (60, 10650052), (67, 9537360), (70, 9128616), (80, 7987539), (84, 7607180), (98, 6520440), (105, 6085744), (112, 5705385), (120, 5325026), (134, 4768680), (140, 4564308), (147, 4346960), (168, 3803590), (196, 3260220), (201, 3179120), (210, 3042872), (240, 2662513), (245, 2608176), (268, 2384340), (280, 2282154), (294, 2173480), (335, 1907472), (336, 1901795), (392, 1630110), (402, 1589560), (420, 1521436), (469, 1362480), (490, 1304088), (536, 1192170), (560, 1141077), (588, 1086740), (670, 953736), (735, 869392), (784, 815055), (804, 794780), (811, 787920), (840, 760718), (938, 681240), (980, 652044), (1005, 635824), (1072, 596085), (1176, 543370), (1340, 476868), (1407, 454160), (1470, 434696), (1608, 397390), (1622, 393960), (1680, 380359), (1876, 340620), (1960, 326022), (2010, 317912), (2345, 272496), (2352, 271685), (2433, 262640), (2680, 238434), (2814, 227080), (2940, 217348), (3216, 198695), (3244, 196980), (3283, 194640), (3752, 170310), (3920, 163011), (4020, 158956), (4055, 157584), (4690, 136248), (4866, 131320), (5360, 119217), (5628, 113540), (5677, 112560), (5880, 108674), (6488, 98490), (6566, 97320), (7035, 90832), (7504, 85155), (8040, 79478), (8110, 78792), (9380, 68124), (9732, 65660), (9849, 64880), (11256, 56770), (11354, 56280), (11760, 54337), (12165, 52528), (12976, 49245), (13132, 48660), (14070, 45416), (16080, 39739), (16220, 39396), (16415, 38928), (17031, 37520), (18760, 34062), (19464, 32830), (19698, 32440), (22512, 28385), (22708, 28140), (24330, 26264)]