81068652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 249080832

約数和(自身を除く): 168012180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 71, 84, 92, 126, 138, 142, 161, 197, 207, 213, 252, 276, 284, 322, 394, 414, 426, 483, 497, 591, 639, 644, 788, 828, 852, 966, 994, 1182, 1278, 1379, 1449, 1491, 1633, 1773, 1932, 1988, 2364, 2556, 2758, 2898, 2982, 3266, 3546, 4137, 4473, 4531, 4899, 5516, 5796, 5964, 6532, 7092, 8274, 8946, 9062, 9798, 11431, 12411, 13593, 13987, 14697, 16548, 17892, 18124, 19596, 22862, 24822, 27186, 27974, 29394, 31717, 34293, 40779, 41961, 45724, 49644, 54372, 55948, 58788, 63434, 68586, 81558, 83922, 95151, 97909, 102879, 125883, 126868, 137172, 163116, 167844, 190302, 195818, 205758, 251766, 285453, 293727, 321701, 380604, 391636, 411516, 503532, 570906, 587454, 643402, 881181, 965103, 1141812, 1174908, 1286804, 1762362, 1930206, 2251907, 2895309, 3524724, 3860412, 4503814, 5790618, 6755721, 9007628, 11581236, 13511442, 20267163, 27022884, 40534326, 81068652]

約数ペア:

[(1, 81068652), (2, 40534326), (3, 27022884), (4, 20267163), (6, 13511442), (7, 11581236), (9, 9007628), (12, 6755721), (14, 5790618), (18, 4503814), (21, 3860412), (23, 3524724), (28, 2895309), (36, 2251907), (42, 1930206), (46, 1762362), (63, 1286804), (69, 1174908), (71, 1141812), (84, 965103), (92, 881181), (126, 643402), (138, 587454), (142, 570906), (161, 503532), (197, 411516), (207, 391636), (213, 380604), (252, 321701), (276, 293727), (284, 285453), (322, 251766), (394, 205758), (414, 195818), (426, 190302), (483, 167844), (497, 163116), (591, 137172), (639, 126868), (644, 125883), (788, 102879), (828, 97909), (852, 95151), (966, 83922), (994, 81558), (1182, 68586), (1278, 63434), (1379, 58788), (1449, 55948), (1491, 54372), (1633, 49644), (1773, 45724), (1932, 41961), (1988, 40779), (2364, 34293), (2556, 31717), (2758, 29394), (2898, 27974), (2982, 27186), (3266, 24822), (3546, 22862), (4137, 19596), (4473, 18124), (4531, 17892), (4899, 16548), (5516, 14697), (5796, 13987), (5964, 13593), (6532, 12411), (7092, 11431), (8274, 9798), (8946, 9062)]