123893460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{688297}}^1$

素因数の和:688312

約数の個数: 36

約数和(自身を含む): 375810708

約数和(自身を除く): 251917248

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 688297, 1376594, 2064891, 2753188, 3441485, 4129782, 6194673, 6882970, 8259564, 10324455, 12389346, 13765940, 20648910, 24778692, 30973365, 41297820, 61946730, 123893460]

約数ペア:

[(1, 123893460), (2, 61946730), (3, 41297820), (4, 30973365), (5, 24778692), (6, 20648910), (9, 13765940), (10, 12389346), (12, 10324455), (15, 8259564), (18, 6882970), (20, 6194673), (30, 4129782), (36, 3441485), (45, 2753188), (60, 2064891), (90, 1376594), (180, 688297)]