217957320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{86491}}^1$

素因数の和:86515

約数の個数: 96

約数和(自身を含む): 809565120

約数和(自身を除く): 591607800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 86491, 172982, 259473, 345964, 432455, 518946, 605437, 691928, 778419, 864910, 1037892, 1210874, 1297365, 1556838, 1729820, 1816311, 2075784, 2421748, 2594730, 3027185, 3113676, 3459640, 3632622, 3892095, 4843496, 5189460, 5448933, 6054370, 6227352, 7265244, 7784190, 9081555, 10378920, 10897866, 12108740, 14530488, 15568380, 18163110, 21795732, 24217480, 27244665, 31136760, 36326220, 43591464, 54489330, 72652440, 108978660, 217957320]

約数ペア:

[(1, 217957320), (2, 108978660), (3, 72652440), (4, 54489330), (5, 43591464), (6, 36326220), (7, 31136760), (8, 27244665), (9, 24217480), (10, 21795732), (12, 18163110), (14, 15568380), (15, 14530488), (18, 12108740), (20, 10897866), (21, 10378920), (24, 9081555), (28, 7784190), (30, 7265244), (35, 6227352), (36, 6054370), (40, 5448933), (42, 5189460), (45, 4843496), (56, 3892095), (60, 3632622), (63, 3459640), (70, 3113676), (72, 3027185), (84, 2594730), (90, 2421748), (105, 2075784), (120, 1816311), (126, 1729820), (140, 1556838), (168, 1297365), (180, 1210874), (210, 1037892), (252, 864910), (280, 778419), (315, 691928), (360, 605437), (420, 518946), (504, 432455), (630, 345964), (840, 259473), (1260, 172982), (2520, 86491)]