15531320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55469}}^1$

素因数の和:55487

約数の個数: 32

約数和(自身を含む): 39938400

約数和(自身を除く): 24407080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55469, 110938, 221876, 277345, 388283, 443752, 554690, 776566, 1109380, 1553132, 1941415, 2218760, 3106264, 3882830, 7765660, 15531320]

約数ペア:

[(1, 15531320), (2, 7765660), (4, 3882830), (5, 3106264), (7, 2218760), (8, 1941415), (10, 1553132), (14, 1109380), (20, 776566), (28, 554690), (35, 443752), (40, 388283), (56, 277345), (70, 221876), (140, 110938), (280, 55469)]