71177820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{169471}}^1$

素因数の和:169490

約数の個数: 48

約数和(自身を含む): 227770368

約数和(自身を除く): 156592548

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, 169471, 338942, 508413, 677884, 847355, 1016826, 1186297, 1694710, 2033652, 2372594, 2542065, 3389420, 3558891, 4745188, 5084130, 5931485, 7117782, 10168260, 11862970, 14235564, 17794455, 23725940, 35588910, 71177820]

約数ペア:

[(1, 71177820), (2, 35588910), (3, 23725940), (4, 17794455), (5, 14235564), (6, 11862970), (7, 10168260), (10, 7117782), (12, 5931485), (14, 5084130), (15, 4745188), (20, 3558891), (21, 3389420), (28, 2542065), (30, 2372594), (35, 2033652), (42, 1694710), (60, 1186297), (70, 1016826), (84, 847355), (105, 677884), (140, 508413), (210, 338942), (420, 169471)]