81905340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 251870976

約数和(自身を除く): 169965636

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 193, 220, 330, 386, 579, 643, 660, 772, 965, 1158, 1286, 1929, 1930, 2123, 2316, 2572, 2895, 3215, 3858, 3860, 4246, 5790, 6369, 6430, 7073, 7716, 8492, 9645, 10615, 11580, 12738, 12860, 14146, 19290, 21219, 21230, 25476, 28292, 31845, 35365, 38580, 42438, 42460, 63690, 70730, 84876, 106095, 124099, 127380, 141460, 212190, 248198, 372297, 424380, 496396, 620495, 744594, 1240990, 1365089, 1489188, 1861485, 2481980, 2730178, 3722970, 4095267, 5460356, 6825445, 7445940, 8190534, 13650890, 16381068, 20476335, 27301780, 40952670, 81905340]

約数ペア:

[(1, 81905340), (2, 40952670), (3, 27301780), (4, 20476335), (5, 16381068), (6, 13650890), (10, 8190534), (11, 7445940), (12, 6825445), (15, 5460356), (20, 4095267), (22, 3722970), (30, 2730178), (33, 2481980), (44, 1861485), (55, 1489188), (60, 1365089), (66, 1240990), (110, 744594), (132, 620495), (165, 496396), (193, 424380), (220, 372297), (330, 248198), (386, 212190), (579, 141460), (643, 127380), (660, 124099), (772, 106095), (965, 84876), (1158, 70730), (1286, 63690), (1929, 42460), (1930, 42438), (2123, 38580), (2316, 35365), (2572, 31845), (2895, 28292), (3215, 25476), (3858, 21230), (3860, 21219), (4246, 19290), (5790, 14146), (6369, 12860), (6430, 12738), (7073, 11580), (7716, 10615), (8492, 9645)]