161386260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{384253}}^1$

素因数の和:384272

約数の個数: 48

約数和(自身を含む): 516437376

約数和(自身を除く): 355051116

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, 384253, 768506, 1152759, 1537012, 1921265, 2305518, 2689771, 3842530, 4611036, 5379542, 5763795, 7685060, 8069313, 10759084, 11527590, 13448855, 16138626, 23055180, 26897710, 32277252, 40346565, 53795420, 80693130, 161386260]

約数ペア:

[(1, 161386260), (2, 80693130), (3, 53795420), (4, 40346565), (5, 32277252), (6, 26897710), (7, 23055180), (10, 16138626), (12, 13448855), (14, 11527590), (15, 10759084), (20, 8069313), (21, 7685060), (28, 5763795), (30, 5379542), (35, 4611036), (42, 3842530), (60, 2689771), (70, 2305518), (84, 1921265), (105, 1537012), (140, 1152759), (210, 768506), (420, 384253)]