127978020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{710989}}^1$

素因数の和:711004

約数の個数: 36

約数和(自身を含む): 388200540

約数和(自身を除く): 260222520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 710989, 1421978, 2132967, 2843956, 3554945, 4265934, 6398901, 7109890, 8531868, 10664835, 12797802, 14219780, 21329670, 25595604, 31994505, 42659340, 63989010, 127978020]

約数ペア:

[(1, 127978020), (2, 63989010), (3, 42659340), (4, 31994505), (5, 25595604), (6, 21329670), (9, 14219780), (10, 12797802), (12, 10664835), (15, 8531868), (18, 7109890), (20, 6398901), (30, 4265934), (36, 3554945), (45, 2843956), (60, 2132967), (90, 1421978), (180, 710989)]