28255080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33637}}^1$

素因数の和:33658

約数の個数: 64

約数和(自身を含む): 96877440

約数和(自身を除く): 68622360

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, 33637, 67274, 100911, 134548, 168185, 201822, 235459, 269096, 336370, 403644, 470918, 504555, 672740, 706377, 807288, 941836, 1009110, 1177295, 1345480, 1412754, 1883672, 2018220, 2354590, 2825508, 3531885, 4036440, 4709180, 5651016, 7063770, 9418360, 14127540, 28255080]

約数ペア:

[(1, 28255080), (2, 14127540), (3, 9418360), (4, 7063770), (5, 5651016), (6, 4709180), (7, 4036440), (8, 3531885), (10, 2825508), (12, 2354590), (14, 2018220), (15, 1883672), (20, 1412754), (21, 1345480), (24, 1177295), (28, 1009110), (30, 941836), (35, 807288), (40, 706377), (42, 672740), (56, 504555), (60, 470918), (70, 403644), (84, 336370), (105, 269096), (120, 235459), (140, 201822), (168, 168185), (210, 134548), (280, 100911), (420, 67274), (840, 33637)]