87948280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 238049280

約数和(自身を除く): 150101000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 47, 56, 70, 82, 94, 140, 163, 164, 188, 205, 235, 280, 287, 326, 328, 329, 376, 410, 470, 574, 652, 658, 815, 820, 940, 1141, 1148, 1304, 1316, 1435, 1630, 1640, 1645, 1880, 1927, 2282, 2296, 2632, 2870, 3260, 3290, 3854, 4564, 5705, 5740, 6520, 6580, 6683, 7661, 7708, 9128, 9635, 11410, 11480, 13160, 13366, 13489, 15322, 15416, 19270, 22820, 26732, 26978, 30644, 33415, 38305, 38540, 45640, 46781, 53464, 53627, 53956, 61288, 66830, 67445, 76610, 77080, 93562, 107254, 107912, 133660, 134890, 153220, 187124, 214508, 233905, 267320, 268135, 269780, 306440, 314101, 374248, 429016, 467810, 536270, 539560, 628202, 935620, 1072540, 1256404, 1570505, 1871240, 2145080, 2198707, 2512808, 3141010, 4397414, 6282020, 8794828, 10993535, 12564040, 17589656, 21987070, 43974140, 87948280]

約数ペア:

[(1, 87948280), (2, 43974140), (4, 21987070), (5, 17589656), (7, 12564040), (8, 10993535), (10, 8794828), (14, 6282020), (20, 4397414), (28, 3141010), (35, 2512808), (40, 2198707), (41, 2145080), (47, 1871240), (56, 1570505), (70, 1256404), (82, 1072540), (94, 935620), (140, 628202), (163, 539560), (164, 536270), (188, 467810), (205, 429016), (235, 374248), (280, 314101), (287, 306440), (326, 269780), (328, 268135), (329, 267320), (376, 233905), (410, 214508), (470, 187124), (574, 153220), (652, 134890), (658, 133660), (815, 107912), (820, 107254), (940, 93562), (1141, 77080), (1148, 76610), (1304, 67445), (1316, 66830), (1435, 61288), (1630, 53956), (1640, 53627), (1645, 53464), (1880, 46781), (1927, 45640), (2282, 38540), (2296, 38305), (2632, 33415), (2870, 30644), (3260, 26978), (3290, 26732), (3854, 22820), (4564, 19270), (5705, 15416), (5740, 15322), (6520, 13489), (6580, 13366), (6683, 13160), (7661, 11480), (7708, 11410), (9128, 9635)]