28207980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{52237}}^1$

素因数の和:52255

約数の個数: 48

約数和(自身を含む): 87759840

約数和(自身を除く): 59551860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 52237, 104474, 156711, 208948, 261185, 313422, 470133, 522370, 626844, 783555, 940266, 1044740, 1410399, 1567110, 1880532, 2350665, 2820798, 3134220, 4701330, 5641596, 7051995, 9402660, 14103990, 28207980]

約数ペア:

[(1, 28207980), (2, 14103990), (3, 9402660), (4, 7051995), (5, 5641596), (6, 4701330), (9, 3134220), (10, 2820798), (12, 2350665), (15, 1880532), (18, 1567110), (20, 1410399), (27, 1044740), (30, 940266), (36, 783555), (45, 626844), (54, 522370), (60, 470133), (90, 313422), (108, 261185), (135, 208948), (180, 156711), (270, 104474), (540, 52237)]