180978880

素因数分解:

$2^6\times 5^1\times {\mathrm{565559}}^1$

素因数の和:565576

約数の個数: 28

約数和(自身を含む): 430956720

約数和(自身を除く): 249977840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 565559, 1131118, 2262236, 2827795, 4524472, 5655590, 9048944, 11311180, 18097888, 22622360, 36195776, 45244720, 90489440, 180978880]

約数ペア:

[(1, 180978880), (2, 90489440), (4, 45244720), (5, 36195776), (8, 22622360), (10, 18097888), (16, 11311180), (20, 9048944), (32, 5655590), (40, 4524472), (64, 2827795), (80, 2262236), (160, 1131118), (320, 565559)]