155040256

素因数分解:

$2^9\times 7^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:445

約数の個数: 80

約数和(自身を含む): 357477120

約数和(自身を除く): 202436864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 239, 256, 362, 448, 478, 512, 724, 896, 956, 1267, 1448, 1673, 1792, 1912, 2534, 2896, 3346, 3584, 3824, 5068, 5792, 6692, 7648, 10136, 11584, 13384, 15296, 20272, 23168, 26768, 30592, 40544, 43259, 46336, 53536, 61184, 81088, 86518, 92672, 107072, 122368, 162176, 173036, 214144, 302813, 324352, 346072, 428288, 605626, 648704, 692144, 856576, 1211252, 1384288, 2422504, 2768576, 4845008, 5537152, 9690016, 11074304, 19380032, 22148608, 38760064, 77520128, 155040256]

約数ペア:

[(1, 155040256), (2, 77520128), (4, 38760064), (7, 22148608), (8, 19380032), (14, 11074304), (16, 9690016), (28, 5537152), (32, 4845008), (56, 2768576), (64, 2422504), (112, 1384288), (128, 1211252), (181, 856576), (224, 692144), (239, 648704), (256, 605626), (362, 428288), (448, 346072), (478, 324352), (512, 302813), (724, 214144), (896, 173036), (956, 162176), (1267, 122368), (1448, 107072), (1673, 92672), (1792, 86518), (1912, 81088), (2534, 61184), (2896, 53536), (3346, 46336), (3584, 43259), (3824, 40544), (5068, 30592), (5792, 26768), (6692, 23168), (7648, 20272), (10136, 15296), (11584, 13384)]