240480660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{572573}}^1$

素因数の和:572592

約数の個数: 48

約数和(自身を含む): 769539456

約数和(自身を除く): 529058796

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, 572573, 1145146, 1717719, 2290292, 2862865, 3435438, 4008011, 5725730, 6870876, 8016022, 8588595, 11451460, 12024033, 16032044, 17177190, 20040055, 24048066, 34354380, 40080110, 48096132, 60120165, 80160220, 120240330, 240480660]

約数ペア:

[(1, 240480660), (2, 120240330), (3, 80160220), (4, 60120165), (5, 48096132), (6, 40080110), (7, 34354380), (10, 24048066), (12, 20040055), (14, 17177190), (15, 16032044), (20, 12024033), (21, 11451460), (28, 8588595), (30, 8016022), (35, 6870876), (42, 5725730), (60, 4008011), (70, 3435438), (84, 2862865), (105, 2290292), (140, 1717719), (210, 1145146), (420, 572573)]