128822960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 120

約数和(自身を含む): 354954960

約数和(自身を除く): 226132000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 196, 236, 245, 280, 295, 392, 413, 472, 490, 557, 560, 590, 784, 826, 944, 980, 1114, 1180, 1652, 1960, 2065, 2228, 2360, 2785, 2891, 3304, 3899, 3920, 4130, 4456, 4720, 5570, 5782, 6608, 7798, 8260, 8912, 11140, 11564, 14455, 15596, 16520, 19495, 22280, 23128, 27293, 28910, 31192, 32863, 33040, 38990, 44560, 46256, 54586, 57820, 62384, 65726, 77980, 109172, 115640, 131452, 136465, 155960, 164315, 218344, 230041, 231280, 262904, 272930, 311920, 328630, 436688, 460082, 525808, 545860, 657260, 920164, 1091720, 1150205, 1314520, 1610287, 1840328, 2183440, 2300410, 2629040, 3220574, 3680656, 4600820, 6441148, 8051435, 9201640, 12882296, 16102870, 18403280, 25764592, 32205740, 64411480, 128822960]

約数ペア:

[(1, 128822960), (2, 64411480), (4, 32205740), (5, 25764592), (7, 18403280), (8, 16102870), (10, 12882296), (14, 9201640), (16, 8051435), (20, 6441148), (28, 4600820), (35, 3680656), (40, 3220574), (49, 2629040), (56, 2300410), (59, 2183440), (70, 1840328), (80, 1610287), (98, 1314520), (112, 1150205), (118, 1091720), (140, 920164), (196, 657260), (236, 545860), (245, 525808), (280, 460082), (295, 436688), (392, 328630), (413, 311920), (472, 272930), (490, 262904), (557, 231280), (560, 230041), (590, 218344), (784, 164315), (826, 155960), (944, 136465), (980, 131452), (1114, 115640), (1180, 109172), (1652, 77980), (1960, 65726), (2065, 62384), (2228, 57820), (2360, 54586), (2785, 46256), (2891, 44560), (3304, 38990), (3899, 33040), (3920, 32863), (4130, 31192), (4456, 28910), (4720, 27293), (5570, 23128), (5782, 22280), (6608, 19495), (7798, 16520), (8260, 15596), (8912, 14455), (11140, 11564)]