156720242420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1119430303}}^1$

素因数の和:1119430319

約数の個数: 24

約数和(自身を含む): 376128582144

約数和(自身を除く): 219408339724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1119430303, 2238860606, 4477721212, 5597151515, 7836012121, 11194303030, 15672024242, 22388606060, 31344048484, 39180060605, 78360121210, 156720242420]

約数ペア:

[(1, 156720242420), (2, 78360121210), (4, 39180060605), (5, 31344048484), (7, 22388606060), (10, 15672024242), (14, 11194303030), (20, 7836012121), (28, 5597151515), (35, 4477721212), (70, 2238860606), (140, 1119430303)]