129242960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20981}}^1$

素因数の和:21012

約数の個数: 80

約数和(自身を含む): 374654592

約数和(自身を除く): 245411632

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, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 20981, 41962, 83924, 104905, 146867, 167848, 209810, 230791, 293734, 335696, 419620, 461582, 587468, 734335, 839240, 923164, 1153955, 1174936, 1468670, 1615537, 1678480, 1846328, 2307910, 2349872, 2937340, 3231074, 3692656, 4615820, 5874680, 6462148, 8077685, 9231640, 11749360, 12924296, 16155370, 18463280, 25848592, 32310740, 64621480, 129242960]

約数ペア:

[(1, 129242960), (2, 64621480), (4, 32310740), (5, 25848592), (7, 18463280), (8, 16155370), (10, 12924296), (11, 11749360), (14, 9231640), (16, 8077685), (20, 6462148), (22, 5874680), (28, 4615820), (35, 3692656), (40, 3231074), (44, 2937340), (55, 2349872), (56, 2307910), (70, 1846328), (77, 1678480), (80, 1615537), (88, 1468670), (110, 1174936), (112, 1153955), (140, 923164), (154, 839240), (176, 734335), (220, 587468), (280, 461582), (308, 419620), (385, 335696), (440, 293734), (560, 230791), (616, 209810), (770, 167848), (880, 146867), (1232, 104905), (1540, 83924), (3080, 41962), (6160, 20981)]