172981760

素因数分解:

$2^9\times 5^1\times 7^3\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 486129600

約数和(自身を除く): 313147840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 197, 224, 245, 256, 280, 320, 343, 392, 394, 448, 490, 512, 560, 640, 686, 784, 788, 896, 980, 985, 1120, 1280, 1372, 1379, 1568, 1576, 1715, 1792, 1960, 1970, 2240, 2560, 2744, 2758, 3136, 3152, 3430, 3584, 3920, 3940, 4480, 5488, 5516, 6272, 6304, 6860, 6895, 7840, 7880, 8960, 9653, 10976, 11032, 12544, 12608, 13720, 13790, 15680, 15760, 17920, 19306, 21952, 22064, 25088, 25216, 27440, 27580, 31360, 31520, 38612, 43904, 44128, 48265, 50432, 54880, 55160, 62720, 63040, 67571, 77224, 87808, 88256, 96530, 100864, 109760, 110320, 125440, 126080, 135142, 154448, 175616, 176512, 193060, 219520, 220640, 252160, 270284, 308896, 337855, 353024, 386120, 439040, 441280, 504320, 540568, 617792, 675710, 706048, 772240, 878080, 882560, 1081136, 1235584, 1351420, 1544480, 1765120, 2162272, 2471168, 2702840, 3088960, 3530240, 4324544, 4942336, 5405680, 6177920, 8649088, 10811360, 12355840, 17298176, 21622720, 24711680, 34596352, 43245440, 86490880, 172981760]

約数ペア:

[(1, 172981760), (2, 86490880), (4, 43245440), (5, 34596352), (7, 24711680), (8, 21622720), (10, 17298176), (14, 12355840), (16, 10811360), (20, 8649088), (28, 6177920), (32, 5405680), (35, 4942336), (40, 4324544), (49, 3530240), (56, 3088960), (64, 2702840), (70, 2471168), (80, 2162272), (98, 1765120), (112, 1544480), (128, 1351420), (140, 1235584), (160, 1081136), (196, 882560), (197, 878080), (224, 772240), (245, 706048), (256, 675710), (280, 617792), (320, 540568), (343, 504320), (392, 441280), (394, 439040), (448, 386120), (490, 353024), (512, 337855), (560, 308896), (640, 270284), (686, 252160), (784, 220640), (788, 219520), (896, 193060), (980, 176512), (985, 175616), (1120, 154448), (1280, 135142), (1372, 126080), (1379, 125440), (1568, 110320), (1576, 109760), (1715, 100864), (1792, 96530), (1960, 88256), (1970, 87808), (2240, 77224), (2560, 67571), (2744, 63040), (2758, 62720), (3136, 55160), (3152, 54880), (3430, 50432), (3584, 48265), (3920, 44128), (3940, 43904), (4480, 38612), (5488, 31520), (5516, 31360), (6272, 27580), (6304, 27440), (6860, 25216), (6895, 25088), (7840, 22064), (7880, 21952), (8960, 19306), (9653, 17920), (10976, 15760), (11032, 15680), (12544, 13790), (12608, 13720)]