127402020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{707789}}^1$

素因数の和:707804

約数の個数: 36

約数和(自身を含む): 386453340

約数和(自身を除く): 259051320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 707789, 1415578, 2123367, 2831156, 3538945, 4246734, 6370101, 7077890, 8493468, 10616835, 12740202, 14155780, 21233670, 25480404, 31850505, 42467340, 63701010, 127402020]

約数ペア:

[(1, 127402020), (2, 63701010), (3, 42467340), (4, 31850505), (5, 25480404), (6, 21233670), (9, 14155780), (10, 12740202), (12, 10616835), (15, 8493468), (18, 7077890), (20, 6370101), (30, 4246734), (36, 3538945), (45, 2831156), (60, 2123367), (90, 1415578), (180, 707789)]