86490880

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 242827200

約数和(自身を除く): 156336320

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, 560, 640, 686, 784, 788, 896, 980, 985, 1120, 1280, 1372, 1379, 1568, 1576, 1715, 1792, 1960, 1970, 2240, 2744, 2758, 3136, 3152, 3430, 3920, 3940, 4480, 5488, 5516, 6272, 6304, 6860, 6895, 7840, 7880, 8960, 9653, 10976, 11032, 12544, 12608, 13720, 13790, 15680, 15760, 19306, 21952, 22064, 25216, 27440, 27580, 31360, 31520, 38612, 43904, 44128, 48265, 50432, 54880, 55160, 62720, 63040, 67571, 77224, 87808, 88256, 96530, 109760, 110320, 126080, 135142, 154448, 176512, 193060, 219520, 220640, 252160, 270284, 308896, 337855, 353024, 386120, 439040, 441280, 540568, 617792, 675710, 772240, 882560, 1081136, 1235584, 1351420, 1544480, 1765120, 2162272, 2471168, 2702840, 3088960, 4324544, 5405680, 6177920, 8649088, 10811360, 12355840, 17298176, 21622720, 43245440, 86490880]

約数ペア:

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