20970181680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{128683}}^1$

素因数の和:128803

約数の個数: 160

約数和(自身を含む): 75060862464

約数和(自身を除く): 54090680784

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, 56, 60, 70, 80, 84, 97, 105, 112, 120, 140, 168, 194, 210, 240, 280, 291, 336, 388, 420, 485, 560, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1552, 1680, 1940, 2037, 2328, 2716, 2910, 3395, 3880, 4074, 4656, 5432, 5820, 6790, 7760, 8148, 10185, 10864, 11640, 13580, 16296, 20370, 23280, 27160, 32592, 40740, 54320, 81480, 128683, 162960, 257366, 386049, 514732, 643415, 772098, 900781, 1029464, 1286830, 1544196, 1801562, 1930245, 2058928, 2573660, 2702343, 3088392, 3603124, 3860490, 4503905, 5147320, 5404686, 6176784, 7206248, 7720980, 9007810, 10294640, 10809372, 12482251, 13511715, 14412496, 15441960, 18015620, 21618744, 24964502, 27023430, 30883920, 36031240, 37446753, 43237488, 49929004, 54046860, 62411255, 72062480, 74893506, 87375757, 99858008, 108093720, 124822510, 149787012, 174751514, 187233765, 199716016, 216187440, 249645020, 262127271, 299574024, 349503028, 374467530, 436878785, 499290040, 524254542, 599148048, 699006056, 748935060, 873757570, 998580080, 1048509084, 1310636355, 1398012112, 1497870120, 1747515140, 2097018168, 2621272710, 2995740240, 3495030280, 4194036336, 5242545420, 6990060560, 10485090840, 20970181680]

約数ペア:

[(1, 20970181680), (2, 10485090840), (3, 6990060560), (4, 5242545420), (5, 4194036336), (6, 3495030280), (7, 2995740240), (8, 2621272710), (10, 2097018168), (12, 1747515140), (14, 1497870120), (15, 1398012112), (16, 1310636355), (20, 1048509084), (21, 998580080), (24, 873757570), (28, 748935060), (30, 699006056), (35, 599148048), (40, 524254542), (42, 499290040), (48, 436878785), (56, 374467530), (60, 349503028), (70, 299574024), (80, 262127271), (84, 249645020), (97, 216187440), (105, 199716016), (112, 187233765), (120, 174751514), (140, 149787012), (168, 124822510), (194, 108093720), (210, 99858008), (240, 87375757), (280, 74893506), (291, 72062480), (336, 62411255), (388, 54046860), (420, 49929004), (485, 43237488), (560, 37446753), (582, 36031240), (679, 30883920), (776, 27023430), (840, 24964502), (970, 21618744), (1164, 18015620), (1358, 15441960), (1455, 14412496), (1552, 13511715), (1680, 12482251), (1940, 10809372), (2037, 10294640), (2328, 9007810), (2716, 7720980), (2910, 7206248), (3395, 6176784), (3880, 5404686), (4074, 5147320), (4656, 4503905), (5432, 3860490), (5820, 3603124), (6790, 3088392), (7760, 2702343), (8148, 2573660), (10185, 2058928), (10864, 1930245), (11640, 1801562), (13580, 1544196), (16296, 1286830), (20370, 1029464), (23280, 900781), (27160, 772098), (32592, 643415), (40740, 514732), (54320, 386049), (81480, 257366), (128683, 162960)]