81089400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:518

約数の個数: 192

約数和(自身を含む): 294624000

約数和(自身を除く): 213534600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 43, 50, 56, 60, 70, 75, 84, 86, 100, 105, 120, 129, 140, 150, 168, 172, 175, 200, 210, 215, 258, 280, 300, 301, 344, 350, 420, 430, 449, 516, 525, 600, 602, 645, 700, 840, 860, 898, 903, 1032, 1050, 1075, 1204, 1290, 1347, 1400, 1505, 1720, 1796, 1806, 2100, 2150, 2245, 2408, 2580, 2694, 3010, 3143, 3225, 3592, 3612, 4200, 4300, 4490, 4515, 5160, 5388, 6020, 6286, 6450, 6735, 7224, 7525, 8600, 8980, 9030, 9429, 10776, 11225, 12040, 12572, 12900, 13470, 15050, 15715, 17960, 18060, 18858, 19307, 22450, 22575, 25144, 25800, 26940, 30100, 31430, 33675, 36120, 37716, 38614, 44900, 45150, 47145, 53880, 57921, 60200, 62860, 67350, 75432, 77228, 78575, 89800, 90300, 94290, 96535, 115842, 125720, 134700, 135149, 154456, 157150, 180600, 188580, 193070, 231684, 235725, 269400, 270298, 289605, 314300, 377160, 386140, 405447, 463368, 471450, 482675, 540596, 579210, 628600, 675745, 772280, 810894, 942900, 965350, 1081192, 1158420, 1351490, 1448025, 1621788, 1885800, 1930700, 2027235, 2316840, 2702980, 2896050, 3243576, 3378725, 3861400, 4054470, 5405960, 5792100, 6757450, 8108940, 10136175, 11584200, 13514900, 16217880, 20272350, 27029800, 40544700, 81089400]

約数ペア:

[(1, 81089400), (2, 40544700), (3, 27029800), (4, 20272350), (5, 16217880), (6, 13514900), (7, 11584200), (8, 10136175), (10, 8108940), (12, 6757450), (14, 5792100), (15, 5405960), (20, 4054470), (21, 3861400), (24, 3378725), (25, 3243576), (28, 2896050), (30, 2702980), (35, 2316840), (40, 2027235), (42, 1930700), (43, 1885800), (50, 1621788), (56, 1448025), (60, 1351490), (70, 1158420), (75, 1081192), (84, 965350), (86, 942900), (100, 810894), (105, 772280), (120, 675745), (129, 628600), (140, 579210), (150, 540596), (168, 482675), (172, 471450), (175, 463368), (200, 405447), (210, 386140), (215, 377160), (258, 314300), (280, 289605), (300, 270298), (301, 269400), (344, 235725), (350, 231684), (420, 193070), (430, 188580), (449, 180600), (516, 157150), (525, 154456), (600, 135149), (602, 134700), (645, 125720), (700, 115842), (840, 96535), (860, 94290), (898, 90300), (903, 89800), (1032, 78575), (1050, 77228), (1075, 75432), (1204, 67350), (1290, 62860), (1347, 60200), (1400, 57921), (1505, 53880), (1720, 47145), (1796, 45150), (1806, 44900), (2100, 38614), (2150, 37716), (2245, 36120), (2408, 33675), (2580, 31430), (2694, 30100), (3010, 26940), (3143, 25800), (3225, 25144), (3592, 22575), (3612, 22450), (4200, 19307), (4300, 18858), (4490, 18060), (4515, 17960), (5160, 15715), (5388, 15050), (6020, 13470), (6286, 12900), (6450, 12572), (6735, 12040), (7224, 11225), (7525, 10776), (8600, 9429), (8980, 9030)]