161771680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{144439}}^1$

素因数の和:144461

約数の個数: 48

約数和(自身を含む): 436786560

約数和(自身を除く): 275014880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 144439, 288878, 577756, 722195, 1011073, 1155512, 1444390, 2022146, 2311024, 2888780, 4044292, 4622048, 5055365, 5777560, 8088584, 10110730, 11555120, 16177168, 20221460, 23110240, 32354336, 40442920, 80885840, 161771680]

約数ペア:

[(1, 161771680), (2, 80885840), (4, 40442920), (5, 32354336), (7, 23110240), (8, 20221460), (10, 16177168), (14, 11555120), (16, 10110730), (20, 8088584), (28, 5777560), (32, 5055365), (35, 4622048), (40, 4044292), (56, 2888780), (70, 2311024), (80, 2022146), (112, 1444390), (140, 1155512), (160, 1011073), (224, 722195), (280, 577756), (560, 288878), (1120, 144439)]