129888780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{309259}}^1$

素因数の和:309278

約数の個数: 48

約数和(自身を含む): 415645440

約数和(自身を除く): 285756660

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, 309259, 618518, 927777, 1237036, 1546295, 1855554, 2164813, 3092590, 3711108, 4329626, 4638885, 6185180, 6494439, 8659252, 9277770, 10824065, 12988878, 18555540, 21648130, 25977756, 32472195, 43296260, 64944390, 129888780]

約数ペア:

[(1, 129888780), (2, 64944390), (3, 43296260), (4, 32472195), (5, 25977756), (6, 21648130), (7, 18555540), (10, 12988878), (12, 10824065), (14, 9277770), (15, 8659252), (20, 6494439), (21, 6185180), (28, 4638885), (30, 4329626), (35, 3711108), (42, 3092590), (60, 2164813), (70, 1855554), (84, 1546295), (105, 1237036), (140, 927777), (210, 618518), (420, 309259)]