27690180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{65929}}^1$

素因数の和:65948

約数の個数: 48

約数和(自身を含む): 88609920

約数和(自身を除く): 60919740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 65929, 131858, 197787, 263716, 329645, 395574, 461503, 659290, 791148, 923006, 988935, 1318580, 1384509, 1846012, 1977870, 2307515, 2769018, 3955740, 4615030, 5538036, 6922545, 9230060, 13845090, 27690180]

約数ペア:

[(1, 27690180), (2, 13845090), (3, 9230060), (4, 6922545), (5, 5538036), (6, 4615030), (7, 3955740), (10, 2769018), (12, 2307515), (14, 1977870), (15, 1846012), (20, 1384509), (21, 1318580), (28, 988935), (30, 923006), (35, 791148), (42, 659290), (60, 461503), (70, 395574), (84, 329645), (105, 263716), (140, 197787), (210, 131858), (420, 65929)]