217381080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{258787}}^1$

素因数の和:258808

約数の個数: 64

約数和(自身を含む): 745309440

約数和(自身を除く): 527928360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 258787, 517574, 776361, 1035148, 1293935, 1552722, 1811509, 2070296, 2587870, 3105444, 3623018, 3881805, 5175740, 5434527, 6210888, 7246036, 7763610, 9057545, 10351480, 10869054, 14492072, 15527220, 18115090, 21738108, 27172635, 31054440, 36230180, 43476216, 54345270, 72460360, 108690540, 217381080]

約数ペア:

[(1, 217381080), (2, 108690540), (3, 72460360), (4, 54345270), (5, 43476216), (6, 36230180), (7, 31054440), (8, 27172635), (10, 21738108), (12, 18115090), (14, 15527220), (15, 14492072), (20, 10869054), (21, 10351480), (24, 9057545), (28, 7763610), (30, 7246036), (35, 6210888), (40, 5434527), (42, 5175740), (56, 3881805), (60, 3623018), (70, 3105444), (84, 2587870), (105, 2070296), (120, 1811509), (140, 1552722), (168, 1293935), (210, 1035148), (280, 776361), (420, 517574), (840, 258787)]