161729680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{288803}}^1$

素因数の和:288823

約数の個数: 40

約数和(自身を含む): 429740352

約数和(自身を除く): 268010672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 288803, 577606, 1155212, 1444015, 2021621, 2310424, 2888030, 4043242, 4620848, 5776060, 8086484, 10108105, 11552120, 16172968, 20216210, 23104240, 32345936, 40432420, 80864840, 161729680]

約数ペア:

[(1, 161729680), (2, 80864840), (4, 40432420), (5, 32345936), (7, 23104240), (8, 20216210), (10, 16172968), (14, 11552120), (16, 10108105), (20, 8086484), (28, 5776060), (35, 4620848), (40, 4043242), (56, 2888030), (70, 2310424), (80, 2021621), (112, 1444015), (140, 1155212), (280, 577606), (560, 288803)]