161283920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{288007}}^1$

素因数の和:288027

約数の個数: 40

約数和(自身を含む): 428555904

約数和(自身を除く): 267271984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 288007, 576014, 1152028, 1440035, 2016049, 2304056, 2880070, 4032098, 4608112, 5760140, 8064196, 10080245, 11520280, 16128392, 20160490, 23040560, 32256784, 40320980, 80641960, 161283920]

約数ペア:

[(1, 161283920), (2, 80641960), (4, 40320980), (5, 32256784), (7, 23040560), (8, 20160490), (10, 16128392), (14, 11520280), (16, 10080245), (20, 8064196), (28, 5760140), (35, 4608112), (40, 4032098), (56, 2880070), (70, 2304056), (80, 2016049), (112, 1440035), (140, 1152028), (280, 576014), (560, 288007)]