217255080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{258637}}^1$

素因数の和:258658

約数の個数: 64

約数和(自身を含む): 744877440

約数和(自身を除く): 527622360

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, 258637, 517274, 775911, 1034548, 1293185, 1551822, 1810459, 2069096, 2586370, 3103644, 3620918, 3879555, 5172740, 5431377, 6207288, 7241836, 7759110, 9052295, 10345480, 10862754, 14483672, 15518220, 18104590, 21725508, 27156885, 31036440, 36209180, 43451016, 54313770, 72418360, 108627540, 217255080]

約数ペア:

[(1, 217255080), (2, 108627540), (3, 72418360), (4, 54313770), (5, 43451016), (6, 36209180), (7, 31036440), (8, 27156885), (10, 21725508), (12, 18104590), (14, 15518220), (15, 14483672), (20, 10862754), (21, 10345480), (24, 9052295), (28, 7759110), (30, 7241836), (35, 6207288), (40, 5431377), (42, 5172740), (56, 3879555), (60, 3620918), (70, 3103644), (84, 2586370), (105, 2069096), (120, 1810459), (140, 1551822), (168, 1293185), (210, 1034548), (280, 775911), (420, 517274), (840, 258637)]