2722020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6481}}^1$

素因数の和:6500

約数の個数: 48

約数和(自身を含む): 8711808

約数和(自身を除く): 5989788

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, 6481, 12962, 19443, 25924, 32405, 38886, 45367, 64810, 77772, 90734, 97215, 129620, 136101, 181468, 194430, 226835, 272202, 388860, 453670, 544404, 680505, 907340, 1361010, 2722020]

約数ペア:

[(1, 2722020), (2, 1361010), (3, 907340), (4, 680505), (5, 544404), (6, 453670), (7, 388860), (10, 272202), (12, 226835), (14, 194430), (15, 181468), (20, 136101), (21, 129620), (28, 97215), (30, 90734), (35, 77772), (42, 64810), (60, 45367), (70, 38886), (84, 32405), (105, 25924), (140, 19443), (210, 12962), (420, 6481)]