7815540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{130259}}^1$

素因数の和:130271

約数の個数: 24

約数和(自身を含む): 21883680

約数和(自身を除く): 14068140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 130259, 260518, 390777, 521036, 651295, 781554, 1302590, 1563108, 1953885, 2605180, 3907770, 7815540]

約数ペア:

[(1, 7815540), (2, 3907770), (3, 2605180), (4, 1953885), (5, 1563108), (6, 1302590), (10, 781554), (12, 651295), (15, 521036), (20, 390777), (30, 260518), (60, 130259)]