20180981016

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1\times {\mathrm{463}}^1$

素因数の和:1118

約数の個数: 192

約数和(自身を含む): 63060940800

約数和(自身を除く): 42879959784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 197, 252, 394, 439, 463, 504, 591, 788, 878, 926, 1182, 1317, 1379, 1389, 1576, 1756, 1773, 1852, 2364, 2634, 2758, 2778, 3073, 3241, 3512, 3546, 3704, 3951, 4137, 4167, 4728, 5268, 5516, 5556, 6146, 6482, 7092, 7902, 8274, 8334, 9219, 9723, 10536, 11032, 11112, 12292, 12411, 12964, 14184, 15804, 16548, 16668, 18438, 19446, 24584, 24822, 25928, 27657, 29169, 31608, 33096, 33336, 36876, 38892, 49644, 55314, 58338, 73752, 77784, 86483, 91211, 99288, 110628, 116676, 172966, 182422, 203257, 221256, 233352, 259449, 273633, 345932, 364844, 406514, 518898, 547266, 605381, 609771, 638477, 691864, 729688, 778347, 813028, 820899, 1037796, 1094532, 1210762, 1219542, 1276954, 1422799, 1556694, 1626056, 1641798, 1816143, 1829313, 1915431, 2075592, 2189064, 2421524, 2439084, 2553908, 2845598, 3113388, 3283596, 3632286, 3658626, 3830862, 4268397, 4843048, 4878168, 5107816, 5448429, 5691196, 5746293, 6226776, 6567192, 7264572, 7317252, 7661724, 8536794, 10896858, 11382392, 11492586, 12805191, 14529144, 14634504, 15323448, 17073588, 21793716, 22985172, 25610382, 34147176, 40041629, 43587432, 45970344, 51220764, 80083258, 102441528, 120124887, 160166516, 240249774, 280291403, 320333032, 360374661, 480499548, 560582806, 720749322, 840874209, 960999096, 1121165612, 1441498644, 1681748418, 2242331224, 2522622627, 2882997288, 3363496836, 5045245254, 6726993672, 10090490508, 20180981016]

約数ペア:

[(1, 20180981016), (2, 10090490508), (3, 6726993672), (4, 5045245254), (6, 3363496836), (7, 2882997288), (8, 2522622627), (9, 2242331224), (12, 1681748418), (14, 1441498644), (18, 1121165612), (21, 960999096), (24, 840874209), (28, 720749322), (36, 560582806), (42, 480499548), (56, 360374661), (63, 320333032), (72, 280291403), (84, 240249774), (126, 160166516), (168, 120124887), (197, 102441528), (252, 80083258), (394, 51220764), (439, 45970344), (463, 43587432), (504, 40041629), (591, 34147176), (788, 25610382), (878, 22985172), (926, 21793716), (1182, 17073588), (1317, 15323448), (1379, 14634504), (1389, 14529144), (1576, 12805191), (1756, 11492586), (1773, 11382392), (1852, 10896858), (2364, 8536794), (2634, 7661724), (2758, 7317252), (2778, 7264572), (3073, 6567192), (3241, 6226776), (3512, 5746293), (3546, 5691196), (3704, 5448429), (3951, 5107816), (4137, 4878168), (4167, 4843048), (4728, 4268397), (5268, 3830862), (5516, 3658626), (5556, 3632286), (6146, 3283596), (6482, 3113388), (7092, 2845598), (7902, 2553908), (8274, 2439084), (8334, 2421524), (9219, 2189064), (9723, 2075592), (10536, 1915431), (11032, 1829313), (11112, 1816143), (12292, 1641798), (12411, 1626056), (12964, 1556694), (14184, 1422799), (15804, 1276954), (16548, 1219542), (16668, 1210762), (18438, 1094532), (19446, 1037796), (24584, 820899), (24822, 813028), (25928, 778347), (27657, 729688), (29169, 691864), (31608, 638477), (33096, 609771), (33336, 605381), (36876, 547266), (38892, 518898), (49644, 406514), (55314, 364844), (58338, 345932), (73752, 273633), (77784, 259449), (86483, 233352), (91211, 221256), (99288, 203257), (110628, 182422), (116676, 172966)]