81280890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1459}}^1$

素因数の和:2091

約数の個数: 48

約数和(自身を含む): 211816800

約数和(自身を除く): 130535910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 619, 1238, 1459, 1857, 2918, 3095, 3714, 4377, 5571, 6190, 7295, 8754, 9285, 11142, 13131, 14590, 18570, 21885, 26262, 27855, 43770, 55710, 65655, 131310, 903121, 1806242, 2709363, 4515605, 5418726, 8128089, 9031210, 13546815, 16256178, 27093630, 40640445, 81280890]

約数ペア:

[(1, 81280890), (2, 40640445), (3, 27093630), (5, 16256178), (6, 13546815), (9, 9031210), (10, 8128089), (15, 5418726), (18, 4515605), (30, 2709363), (45, 1806242), (90, 903121), (619, 131310), (1238, 65655), (1459, 55710), (1857, 43770), (2918, 27855), (3095, 26262), (3714, 21885), (4377, 18570), (5571, 14590), (6190, 13131), (7295, 11142), (8754, 9285)]