42784380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{237691}}^1$

素因数の和:237706

約数の個数: 36

約数和(自身を含む): 129779832

約数和(自身を除く): 86995452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 237691, 475382, 713073, 950764, 1188455, 1426146, 2139219, 2376910, 2852292, 3565365, 4278438, 4753820, 7130730, 8556876, 10696095, 14261460, 21392190, 42784380]

約数ペア:

[(1, 42784380), (2, 21392190), (3, 14261460), (4, 10696095), (5, 8556876), (6, 7130730), (9, 4753820), (10, 4278438), (12, 3565365), (15, 2852292), (18, 2376910), (20, 2139219), (30, 1426146), (36, 1188455), (45, 950764), (60, 713073), (90, 475382), (180, 237691)]