80817420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1346957}}^1$

素因数の和:1346969

約数の個数: 24

約数和(自身を含む): 226288944

約数和(自身を除く): 145471524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1346957, 2693914, 4040871, 5387828, 6734785, 8081742, 13469570, 16163484, 20204355, 26939140, 40408710, 80817420]

約数ペア:

[(1, 80817420), (2, 40408710), (3, 26939140), (4, 20204355), (5, 16163484), (6, 13469570), (10, 8081742), (12, 6734785), (15, 5387828), (20, 4040871), (30, 2693914), (60, 1346957)]