2680985385

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1879}}^1$

素因数の和:2180

約数の個数: 80

約数和(自身を含む): 5197463040

約数和(自身を除く): 2516477655

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 271, 351, 405, 585, 813, 1053, 1355, 1755, 1879, 2439, 3523, 4065, 5265, 5637, 7317, 9395, 10569, 12195, 16911, 17615, 21951, 24427, 28185, 31707, 36585, 50733, 52845, 73281, 84555, 95121, 109755, 122135, 152199, 158535, 219843, 253665, 285363, 366405, 475605, 509209, 659529, 760995, 1099215, 1426815, 1527627, 1978587, 2546045, 3297645, 4582881, 6619717, 7638135, 9892935, 13748643, 19859151, 22914405, 33098585, 41245929, 59577453, 68743215, 99295755, 178732359, 206229645, 297887265, 536197077, 893661795, 2680985385]

約数ペア:

[(1, 2680985385), (3, 893661795), (5, 536197077), (9, 297887265), (13, 206229645), (15, 178732359), (27, 99295755), (39, 68743215), (45, 59577453), (65, 41245929), (81, 33098585), (117, 22914405), (135, 19859151), (195, 13748643), (271, 9892935), (351, 7638135), (405, 6619717), (585, 4582881), (813, 3297645), (1053, 2546045), (1355, 1978587), (1755, 1527627), (1879, 1426815), (2439, 1099215), (3523, 760995), (4065, 659529), (5265, 509209), (5637, 475605), (7317, 366405), (9395, 285363), (10569, 253665), (12195, 219843), (16911, 158535), (17615, 152199), (21951, 122135), (24427, 109755), (28185, 95121), (31707, 84555), (36585, 73281), (50733, 52845)]