72712260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{403957}}^1$

素因数の和:403972

約数の個数: 36

約数和(自身を含む): 220561068

約数和(自身を除く): 147848808

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 403957, 807914, 1211871, 1615828, 2019785, 2423742, 3635613, 4039570, 4847484, 6059355, 7271226, 8079140, 12118710, 14542452, 18178065, 24237420, 36356130, 72712260]

約数ペア:

[(1, 72712260), (2, 36356130), (3, 24237420), (4, 18178065), (5, 14542452), (6, 12118710), (9, 8079140), (10, 7271226), (12, 6059355), (15, 4847484), (18, 4039570), (20, 3635613), (30, 2423742), (36, 2019785), (45, 1615828), (60, 1211871), (90, 807914), (180, 403957)]