158356480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 88

約数和(自身を含む): 384230088

約数和(自身を除く): 225873608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 197, 256, 314, 320, 394, 512, 628, 640, 785, 788, 985, 1024, 1256, 1280, 1570, 1576, 1970, 2512, 2560, 3140, 3152, 3940, 5024, 5120, 6280, 6304, 7880, 10048, 12560, 12608, 15760, 20096, 25120, 25216, 30929, 31520, 40192, 50240, 50432, 61858, 63040, 80384, 100480, 100864, 123716, 126080, 154645, 160768, 200960, 201728, 247432, 252160, 309290, 401920, 494864, 504320, 618580, 803840, 989728, 1008640, 1237160, 1979456, 2474320, 3958912, 4948640, 7917824, 9897280, 15835648, 19794560, 31671296, 39589120, 79178240, 158356480]

約数ペア:

[(1, 158356480), (2, 79178240), (4, 39589120), (5, 31671296), (8, 19794560), (10, 15835648), (16, 9897280), (20, 7917824), (32, 4948640), (40, 3958912), (64, 2474320), (80, 1979456), (128, 1237160), (157, 1008640), (160, 989728), (197, 803840), (256, 618580), (314, 504320), (320, 494864), (394, 401920), (512, 309290), (628, 252160), (640, 247432), (785, 201728), (788, 200960), (985, 160768), (1024, 154645), (1256, 126080), (1280, 123716), (1570, 100864), (1576, 100480), (1970, 80384), (2512, 63040), (2560, 61858), (3140, 50432), (3152, 50240), (3940, 40192), (5024, 31520), (5120, 30929), (6280, 25216), (6304, 25120), (7880, 20096), (10048, 15760), (12560, 12608)]