78694140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187367}}^1$

素因数の和:187386

約数の個数: 48

約数和(自身を含む): 251822592

約数和(自身を除く): 173128452

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, 187367, 374734, 562101, 749468, 936835, 1124202, 1311569, 1873670, 2248404, 2623138, 2810505, 3747340, 3934707, 5246276, 5621010, 6557845, 7869414, 11242020, 13115690, 15738828, 19673535, 26231380, 39347070, 78694140]

約数ペア:

[(1, 78694140), (2, 39347070), (3, 26231380), (4, 19673535), (5, 15738828), (6, 13115690), (7, 11242020), (10, 7869414), (12, 6557845), (14, 5621010), (15, 5246276), (20, 3934707), (21, 3747340), (28, 2810505), (30, 2623138), (35, 2248404), (42, 1873670), (60, 1311569), (70, 1124202), (84, 936835), (105, 749468), (140, 562101), (210, 374734), (420, 187367)]