1291342620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197453}}^1$

素因数の和:197574

約数の個数: 48

約数和(自身を含む): 3648949920

約数和(自身を除く): 2357607300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540, 197453, 394906, 592359, 789812, 987265, 1184718, 1974530, 2369436, 2961795, 3949060, 5923590, 11847180, 21522377, 43044754, 64567131, 86089508, 107611885, 129134262, 215223770, 258268524, 322835655, 430447540, 645671310, 1291342620]

約数ペア:

[(1, 1291342620), (2, 645671310), (3, 430447540), (4, 322835655), (5, 258268524), (6, 215223770), (10, 129134262), (12, 107611885), (15, 86089508), (20, 64567131), (30, 43044754), (60, 21522377), (109, 11847180), (218, 5923590), (327, 3949060), (436, 2961795), (545, 2369436), (654, 1974530), (1090, 1184718), (1308, 987265), (1635, 789812), (2180, 592359), (3270, 394906), (6540, 197453)]