20647878720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{4027}}^1$

素因数の和:4170

約数の個数: 336

約数和(自身を含む): 76978946880

約数和(自身を除く): 56331068160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 109, 112, 120, 140, 147, 160, 168, 192, 196, 210, 218, 224, 240, 245, 280, 294, 320, 327, 336, 392, 420, 436, 448, 480, 490, 545, 560, 588, 654, 672, 735, 763, 784, 840, 872, 960, 980, 1090, 1120, 1176, 1308, 1344, 1470, 1526, 1568, 1635, 1680, 1744, 1960, 2180, 2240, 2289, 2352, 2616, 2940, 3052, 3136, 3270, 3360, 3488, 3815, 3920, 4027, 4360, 4578, 4704, 5232, 5341, 5880, 6104, 6540, 6720, 6976, 7630, 7840, 8054, 8720, 9156, 9408, 10464, 10682, 11445, 11760, 12081, 12208, 13080, 15260, 15680, 16023, 16108, 17440, 18312, 20135, 20928, 21364, 22890, 23520, 24162, 24416, 26160, 26705, 28189, 30520, 32046, 32216, 34880, 36624, 40270, 42728, 45780, 47040, 48324, 48832, 52320, 53410, 56378, 60405, 61040, 64092, 64432, 73248, 80115, 80540, 84567, 85456, 91560, 96648, 104640, 106820, 112756, 120810, 122080, 128184, 128864, 140945, 146496, 160230, 161080, 169134, 170912, 183120, 193296, 197323, 213640, 225512, 241620, 244160, 256368, 257728, 281890, 320460, 322160, 338268, 341824, 366240, 386592, 394646, 422835, 427280, 438943, 451024, 483240, 512736, 563780, 591969, 640920, 644320, 676536, 732480, 773184, 789292, 845670, 854560, 877886, 902048, 966480, 986615, 1025472, 1127560, 1183938, 1281840, 1288640, 1316829, 1353072, 1578584, 1691340, 1709120, 1755772, 1804096, 1932960, 1973230, 2194715, 2255120, 2367876, 2563680, 2633658, 2706144, 2959845, 3072601, 3157168, 3382680, 3511544, 3865920, 3946460, 4389430, 4510240, 4735752, 5127360, 5267316, 5412288, 5919690, 6145202, 6314336, 6584145, 6765360, 7023088, 7892920, 8778860, 9020480, 9217803, 9471504, 10534632, 11839380, 12290404, 12628672, 13168290, 13530720, 14046176, 15363005, 15785840, 17557720, 18435606, 18943008, 21069264, 21508207, 23678760, 24580808, 26336580, 27061440, 28092352, 30726010, 31571680, 35115440, 36871212, 37886016, 42138528, 43016414, 46089015, 47357520, 49161616, 52673160, 61452020, 63143360, 64524621, 70230880, 73742424, 84277056, 86032828, 92178030, 94715040, 98323232, 105346320, 107541035, 122904040, 129049242, 140461760, 147484848, 172065656, 184356060, 189430080, 196646464, 210692640, 215082070, 245808080, 258098484, 294969696, 322623105, 344131312, 368712120, 421385280, 430164140, 491616160, 516196968, 589939392, 645246210, 688262624, 737424240, 860328280, 983232320, 1032393936, 1290492420, 1376525248, 1474848480, 1720656560, 2064787872, 2580984840, 2949696960, 3441313120, 4129575744, 5161969680, 6882626240, 10323939360, 20647878720]

約数ペア:

[(1, 20647878720), (2, 10323939360), (3, 6882626240), (4, 5161969680), (5, 4129575744), (6, 3441313120), (7, 2949696960), (8, 2580984840), (10, 2064787872), (12, 1720656560), (14, 1474848480), (15, 1376525248), (16, 1290492420), (20, 1032393936), (21, 983232320), (24, 860328280), (28, 737424240), (30, 688262624), (32, 645246210), (35, 589939392), (40, 516196968), (42, 491616160), (48, 430164140), (49, 421385280), (56, 368712120), (60, 344131312), (64, 322623105), (70, 294969696), (80, 258098484), (84, 245808080), (96, 215082070), (98, 210692640), (105, 196646464), (109, 189430080), (112, 184356060), (120, 172065656), (140, 147484848), (147, 140461760), (160, 129049242), (168, 122904040), (192, 107541035), (196, 105346320), (210, 98323232), (218, 94715040), (224, 92178030), (240, 86032828), (245, 84277056), (280, 73742424), (294, 70230880), (320, 64524621), (327, 63143360), (336, 61452020), (392, 52673160), (420, 49161616), (436, 47357520), (448, 46089015), (480, 43016414), (490, 42138528), (545, 37886016), (560, 36871212), (588, 35115440), (654, 31571680), (672, 30726010), (735, 28092352), (763, 27061440), (784, 26336580), (840, 24580808), (872, 23678760), (960, 21508207), (980, 21069264), (1090, 18943008), (1120, 18435606), (1176, 17557720), (1308, 15785840), (1344, 15363005), (1470, 14046176), (1526, 13530720), (1568, 13168290), (1635, 12628672), (1680, 12290404), (1744, 11839380), (1960, 10534632), (2180, 9471504), (2240, 9217803), (2289, 9020480), (2352, 8778860), (2616, 7892920), (2940, 7023088), (3052, 6765360), (3136, 6584145), (3270, 6314336), (3360, 6145202), (3488, 5919690), (3815, 5412288), (3920, 5267316), (4027, 5127360), (4360, 4735752), (4578, 4510240), (4704, 4389430), (5232, 3946460), (5341, 3865920), (5880, 3511544), (6104, 3382680), (6540, 3157168), (6720, 3072601), (6976, 2959845), (7630, 2706144), (7840, 2633658), (8054, 2563680), (8720, 2367876), (9156, 2255120), (9408, 2194715), (10464, 1973230), (10682, 1932960), (11445, 1804096), (11760, 1755772), (12081, 1709120), (12208, 1691340), (13080, 1578584), (15260, 1353072), (15680, 1316829), (16023, 1288640), (16108, 1281840), (17440, 1183938), (18312, 1127560), (20135, 1025472), (20928, 986615), (21364, 966480), (22890, 902048), (23520, 877886), (24162, 854560), (24416, 845670), (26160, 789292), (26705, 773184), (28189, 732480), (30520, 676536), (32046, 644320), (32216, 640920), (34880, 591969), (36624, 563780), (40270, 512736), (42728, 483240), (45780, 451024), (47040, 438943), (48324, 427280), (48832, 422835), (52320, 394646), (53410, 386592), (56378, 366240), (60405, 341824), (61040, 338268), (64092, 322160), (64432, 320460), (73248, 281890), (80115, 257728), (80540, 256368), (84567, 244160), (85456, 241620), (91560, 225512), (96648, 213640), (104640, 197323), (106820, 193296), (112756, 183120), (120810, 170912), (122080, 169134), (128184, 161080), (128864, 160230), (140945, 146496)]