80887980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1348133}}^1$

素因数の和:1348145

約数の個数: 24

約数和(自身を含む): 226486512

約数和(自身を除く): 145598532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1348133, 2696266, 4044399, 5392532, 6740665, 8088798, 13481330, 16177596, 20221995, 26962660, 40443990, 80887980]

約数ペア:

[(1, 80887980), (2, 40443990), (3, 26962660), (4, 20221995), (5, 16177596), (6, 13481330), (10, 8088798), (12, 6740665), (15, 5392532), (20, 4044399), (30, 2696266), (60, 1348133)]