79657620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{189661}}^1$

素因数の和:189680

約数の個数: 48

約数和(自身を含む): 254905728

約数和(自身を除く): 175248108

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, 189661, 379322, 568983, 758644, 948305, 1137966, 1327627, 1896610, 2275932, 2655254, 2844915, 3793220, 3982881, 5310508, 5689830, 6638135, 7965762, 11379660, 13276270, 15931524, 19914405, 26552540, 39828810, 79657620]

約数ペア:

[(1, 79657620), (2, 39828810), (3, 26552540), (4, 19914405), (5, 15931524), (6, 13276270), (7, 11379660), (10, 7965762), (12, 6638135), (14, 5689830), (15, 5310508), (20, 3982881), (21, 3793220), (28, 2844915), (30, 2655254), (35, 2275932), (42, 1896610), (60, 1327627), (70, 1137966), (84, 948305), (105, 758644), (140, 568983), (210, 379322), (420, 189661)]