85712960

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 112

約数和(自身を含む): 215066880

約数和(自身を除く): 129353920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 47, 64, 80, 82, 94, 139, 160, 164, 188, 205, 235, 278, 320, 328, 376, 410, 470, 556, 656, 695, 752, 820, 940, 1112, 1312, 1390, 1504, 1640, 1880, 1927, 2224, 2624, 2780, 3008, 3280, 3760, 3854, 4448, 5560, 5699, 6533, 6560, 7520, 7708, 8896, 9635, 11120, 11398, 13066, 13120, 15040, 15416, 19270, 22240, 22796, 26132, 28495, 30832, 32665, 38540, 44480, 45592, 52264, 56990, 61664, 65330, 77080, 91184, 104528, 113980, 123328, 130660, 154160, 182368, 209056, 227960, 261320, 267853, 308320, 364736, 418112, 455920, 522640, 535706, 616640, 911840, 1045280, 1071412, 1339265, 1823680, 2090560, 2142824, 2678530, 4285648, 5357060, 8571296, 10714120, 17142592, 21428240, 42856480, 85712960]

約数ペア:

[(1, 85712960), (2, 42856480), (4, 21428240), (5, 17142592), (8, 10714120), (10, 8571296), (16, 5357060), (20, 4285648), (32, 2678530), (40, 2142824), (41, 2090560), (47, 1823680), (64, 1339265), (80, 1071412), (82, 1045280), (94, 911840), (139, 616640), (160, 535706), (164, 522640), (188, 455920), (205, 418112), (235, 364736), (278, 308320), (320, 267853), (328, 261320), (376, 227960), (410, 209056), (470, 182368), (556, 154160), (656, 130660), (695, 123328), (752, 113980), (820, 104528), (940, 91184), (1112, 77080), (1312, 65330), (1390, 61664), (1504, 56990), (1640, 52264), (1880, 45592), (1927, 44480), (2224, 38540), (2624, 32665), (2780, 30832), (3008, 28495), (3280, 26132), (3760, 22796), (3854, 22240), (4448, 19270), (5560, 15416), (5699, 15040), (6533, 13120), (6560, 13066), (7520, 11398), (7708, 11120), (8896, 9635)]