2765840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 8035200

約数和(自身を除く): 5269360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 449, 560, 616, 770, 880, 898, 1232, 1540, 1796, 2245, 3080, 3143, 3592, 4490, 4939, 6160, 6286, 7184, 8980, 9878, 12572, 15715, 17960, 19756, 24695, 25144, 31430, 34573, 35920, 39512, 49390, 50288, 62860, 69146, 79024, 98780, 125720, 138292, 172865, 197560, 251440, 276584, 345730, 395120, 553168, 691460, 1382920, 2765840]

約数ペア:

[(1, 2765840), (2, 1382920), (4, 691460), (5, 553168), (7, 395120), (8, 345730), (10, 276584), (11, 251440), (14, 197560), (16, 172865), (20, 138292), (22, 125720), (28, 98780), (35, 79024), (40, 69146), (44, 62860), (55, 50288), (56, 49390), (70, 39512), (77, 35920), (80, 34573), (88, 31430), (110, 25144), (112, 24695), (140, 19756), (154, 17960), (176, 15715), (220, 12572), (280, 9878), (308, 8980), (385, 7184), (440, 6286), (449, 6160), (560, 4939), (616, 4490), (770, 3592), (880, 3143), (898, 3080), (1232, 2245), (1540, 1796)]