1289224720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{34361}}^1$

素因数の和:34448

約数の個数: 80

約数和(自身を含む): 3476884608

約数和(自身を除く): 2187659888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1876, 2345, 2680, 3752, 4690, 5360, 7504, 9380, 18760, 34361, 37520, 68722, 137444, 171805, 240527, 274888, 343610, 481054, 549776, 687220, 962108, 1202635, 1374440, 1924216, 2302187, 2405270, 2748880, 3848432, 4604374, 4810540, 9208748, 9621080, 11510935, 16115309, 18417496, 19242160, 23021870, 32230618, 36834992, 46043740, 64461236, 80576545, 92087480, 128922472, 161153090, 184174960, 257844944, 322306180, 644612360, 1289224720]

約数ペア:

[(1, 1289224720), (2, 644612360), (4, 322306180), (5, 257844944), (7, 184174960), (8, 161153090), (10, 128922472), (14, 92087480), (16, 80576545), (20, 64461236), (28, 46043740), (35, 36834992), (40, 32230618), (56, 23021870), (67, 19242160), (70, 18417496), (80, 16115309), (112, 11510935), (134, 9621080), (140, 9208748), (268, 4810540), (280, 4604374), (335, 3848432), (469, 2748880), (536, 2405270), (560, 2302187), (670, 1924216), (938, 1374440), (1072, 1202635), (1340, 962108), (1876, 687220), (2345, 549776), (2680, 481054), (3752, 343610), (4690, 274888), (5360, 240527), (7504, 171805), (9380, 137444), (18760, 68722), (34361, 37520)]