28749780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159721}}^1$

素因数の和:159736

約数の個数: 36

約数和(自身を含む): 87208212

約数和(自身を除く): 58458432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159721, 319442, 479163, 638884, 798605, 958326, 1437489, 1597210, 1916652, 2395815, 2874978, 3194420, 4791630, 5749956, 7187445, 9583260, 14374890, 28749780]

約数ペア:

[(1, 28749780), (2, 14374890), (3, 9583260), (4, 7187445), (5, 5749956), (6, 4791630), (9, 3194420), (10, 2874978), (12, 2395815), (15, 1916652), (18, 1597210), (20, 1437489), (30, 958326), (36, 798605), (45, 638884), (60, 479163), (90, 319442), (180, 159721)]