1267980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3019}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 4058880

約数和(自身を除く): 2790900

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, 3019, 6038, 9057, 12076, 15095, 18114, 21133, 30190, 36228, 42266, 45285, 60380, 63399, 84532, 90570, 105665, 126798, 181140, 211330, 253596, 316995, 422660, 633990, 1267980]

約数ペア:

[(1, 1267980), (2, 633990), (3, 422660), (4, 316995), (5, 253596), (6, 211330), (7, 181140), (10, 126798), (12, 105665), (14, 90570), (15, 84532), (20, 63399), (21, 60380), (28, 45285), (30, 42266), (35, 36228), (42, 30190), (60, 21133), (70, 18114), (84, 15095), (105, 12076), (140, 9057), (210, 6038), (420, 3019)]