28677180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68279}}^1$

素因数の和:68298

約数の個数: 48

約数和(自身を含む): 91768320

約数和(自身を除く): 63091140

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, 68279, 136558, 204837, 273116, 341395, 409674, 477953, 682790, 819348, 955906, 1024185, 1365580, 1433859, 1911812, 2048370, 2389765, 2867718, 4096740, 4779530, 5735436, 7169295, 9559060, 14338590, 28677180]

約数ペア:

[(1, 28677180), (2, 14338590), (3, 9559060), (4, 7169295), (5, 5735436), (6, 4779530), (7, 4096740), (10, 2867718), (12, 2389765), (14, 2048370), (15, 1911812), (20, 1433859), (21, 1365580), (28, 1024185), (30, 955906), (35, 819348), (42, 682790), (60, 477953), (70, 409674), (84, 341395), (105, 273116), (140, 204837), (210, 136558), (420, 68279)]