71722140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170767}}^1$

素因数の和:170786

約数の個数: 48

約数和(自身を含む): 229512192

約数和(自身を除く): 157790052

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, 170767, 341534, 512301, 683068, 853835, 1024602, 1195369, 1707670, 2049204, 2390738, 2561505, 3415340, 3586107, 4781476, 5123010, 5976845, 7172214, 10246020, 11953690, 14344428, 17930535, 23907380, 35861070, 71722140]

約数ペア:

[(1, 71722140), (2, 35861070), (3, 23907380), (4, 17930535), (5, 14344428), (6, 11953690), (7, 10246020), (10, 7172214), (12, 5976845), (14, 5123010), (15, 4781476), (20, 3586107), (21, 3415340), (28, 2561505), (30, 2390738), (35, 2049204), (42, 1707670), (60, 1195369), (70, 1024602), (84, 853835), (105, 683068), (140, 512301), (210, 341534), (420, 170767)]