155963220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{371341}}^1$

素因数の和:371360

約数の個数: 48

約数和(自身を含む): 499083648

約数和(自身を除く): 343120428

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, 371341, 742682, 1114023, 1485364, 1856705, 2228046, 2599387, 3713410, 4456092, 5198774, 5570115, 7426820, 7798161, 10397548, 11140230, 12996935, 15596322, 22280460, 25993870, 31192644, 38990805, 51987740, 77981610, 155963220]

約数ペア:

[(1, 155963220), (2, 77981610), (3, 51987740), (4, 38990805), (5, 31192644), (6, 25993870), (7, 22280460), (10, 15596322), (12, 12996935), (14, 11140230), (15, 10397548), (20, 7798161), (21, 7426820), (28, 5570115), (30, 5198774), (35, 4456092), (42, 3713410), (60, 2599387), (70, 2228046), (84, 1856705), (105, 1485364), (140, 1114023), (210, 742682), (420, 371341)]