81654840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226819}}^1$

素因数の和:226836

約数の個数: 48

約数和(自身を含む): 265379400

約数和(自身を除く): 183724560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226819, 453638, 680457, 907276, 1134095, 1360914, 1814552, 2041371, 2268190, 2721828, 3402285, 4082742, 4536380, 5443656, 6804570, 8165484, 9072760, 10206855, 13609140, 16330968, 20413710, 27218280, 40827420, 81654840]

約数ペア:

[(1, 81654840), (2, 40827420), (3, 27218280), (4, 20413710), (5, 16330968), (6, 13609140), (8, 10206855), (9, 9072760), (10, 8165484), (12, 6804570), (15, 5443656), (18, 4536380), (20, 4082742), (24, 3402285), (30, 2721828), (36, 2268190), (40, 2041371), (45, 1814552), (60, 1360914), (72, 1134095), (90, 907276), (120, 680457), (180, 453638), (360, 226819)]