81223980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1353733}}^1$

素因数の和:1353745

約数の個数: 24

約数和(自身を含む): 227427312

約数和(自身を除く): 146203332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1353733, 2707466, 4061199, 5414932, 6768665, 8122398, 13537330, 16244796, 20305995, 27074660, 40611990, 81223980]

約数ペア:

[(1, 81223980), (2, 40611990), (3, 27074660), (4, 20305995), (5, 16244796), (6, 13537330), (10, 8122398), (12, 6768665), (15, 5414932), (20, 4061199), (30, 2707466), (60, 1353733)]