81710790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389099}}^1$

素因数の和:389116

約数の個数: 32

約数和(自身を含む): 224121600

約数和(自身を除く): 142410810

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389099, 778198, 1167297, 1945495, 2334594, 2723693, 3890990, 5447386, 5836485, 8171079, 11672970, 13618465, 16342158, 27236930, 40855395, 81710790]

約数ペア:

[(1, 81710790), (2, 40855395), (3, 27236930), (5, 16342158), (6, 13618465), (7, 11672970), (10, 8171079), (14, 5836485), (15, 5447386), (21, 3890990), (30, 2723693), (35, 2334594), (42, 1945495), (70, 1167297), (105, 778198), (210, 389099)]