180726560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{161363}}^1$

素因数の和:161385

約数の個数: 48

約数和(自身を含む): 487964736

約数和(自身を除く): 307238176

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, 161363, 322726, 645452, 806815, 1129541, 1290904, 1613630, 2259082, 2581808, 3227260, 4518164, 5163616, 5647705, 6454520, 9036328, 11295410, 12909040, 18072656, 22590820, 25818080, 36145312, 45181640, 90363280, 180726560]

約数ペア:

[(1, 180726560), (2, 90363280), (4, 45181640), (5, 36145312), (7, 25818080), (8, 22590820), (10, 18072656), (14, 12909040), (16, 11295410), (20, 9036328), (28, 6454520), (32, 5647705), (35, 5163616), (40, 4518164), (56, 3227260), (70, 2581808), (80, 2259082), (112, 1613630), (140, 1290904), (160, 1129541), (224, 806815), (280, 645452), (560, 322726), (1120, 161363)]