1278613920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{2663779}}^1$

素因数の和:2663797

約数の個数: 48

約数和(自身を含む): 4027635360

約数和(自身を除く): 2749021440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 2663779, 5327558, 7991337, 10655116, 13318895, 15982674, 21310232, 26637790, 31965348, 39956685, 42620464, 53275580, 63930696, 79913370, 85240928, 106551160, 127861392, 159826740, 213102320, 255722784, 319653480, 426204640, 639306960, 1278613920]

約数ペア:

[(1, 1278613920), (2, 639306960), (3, 426204640), (4, 319653480), (5, 255722784), (6, 213102320), (8, 159826740), (10, 127861392), (12, 106551160), (15, 85240928), (16, 79913370), (20, 63930696), (24, 53275580), (30, 42620464), (32, 39956685), (40, 31965348), (48, 26637790), (60, 21310232), (80, 15982674), (96, 13318895), (120, 10655116), (160, 7991337), (240, 5327558), (480, 2663779)]