6880020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{16381}}^1$

素因数の和:16400

約数の個数: 48

約数和(自身を含む): 22017408

約数和(自身を除く): 15137388

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, 16381, 32762, 49143, 65524, 81905, 98286, 114667, 163810, 196572, 229334, 245715, 327620, 344001, 458668, 491430, 573335, 688002, 982860, 1146670, 1376004, 1720005, 2293340, 3440010, 6880020]

約数ペア:

[(1, 6880020), (2, 3440010), (3, 2293340), (4, 1720005), (5, 1376004), (6, 1146670), (7, 982860), (10, 688002), (12, 573335), (14, 491430), (15, 458668), (20, 344001), (21, 327620), (28, 245715), (30, 229334), (35, 196572), (42, 163810), (60, 114667), (70, 98286), (84, 81905), (105, 65524), (140, 49143), (210, 32762), (420, 16381)]