15681780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{87121}}^1$

素因数の和:87136

約数の個数: 36

約数和(自身を含む): 47568612

約数和(自身を除く): 31886832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 87121, 174242, 261363, 348484, 435605, 522726, 784089, 871210, 1045452, 1306815, 1568178, 1742420, 2613630, 3136356, 3920445, 5227260, 7840890, 15681780]

約数ペア:

[(1, 15681780), (2, 7840890), (3, 5227260), (4, 3920445), (5, 3136356), (6, 2613630), (9, 1742420), (10, 1568178), (12, 1306815), (15, 1045452), (18, 871210), (20, 784089), (30, 522726), (36, 435605), (45, 348484), (60, 261363), (90, 174242), (180, 87121)]