1306740540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3111287}}^1$

素因数の和:3111306

約数の個数: 48

約数和(自身を含む): 4181571072

約数和(自身を除く): 2874830532

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, 3111287, 6222574, 9333861, 12445148, 15556435, 18667722, 21779009, 31112870, 37335444, 43558018, 46669305, 62225740, 65337027, 87116036, 93338610, 108895045, 130674054, 186677220, 217790090, 261348108, 326685135, 435580180, 653370270, 1306740540]

約数ペア:

[(1, 1306740540), (2, 653370270), (3, 435580180), (4, 326685135), (5, 261348108), (6, 217790090), (7, 186677220), (10, 130674054), (12, 108895045), (14, 93338610), (15, 87116036), (20, 65337027), (21, 62225740), (28, 46669305), (30, 43558018), (35, 37335444), (42, 31112870), (60, 21779009), (70, 18667722), (84, 15556435), (105, 12445148), (140, 9333861), (210, 6222574), (420, 3111287)]