210790720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:840

約数の個数: 112

約数和(自身を含む): 578632320

約数和(自身を除く): 367841600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 139, 140, 160, 224, 278, 280, 320, 448, 556, 560, 677, 695, 973, 1112, 1120, 1354, 1390, 1946, 2224, 2240, 2708, 2780, 3385, 3892, 4448, 4739, 4865, 5416, 5560, 6770, 7784, 8896, 9478, 9730, 10832, 11120, 13540, 15568, 18956, 19460, 21664, 22240, 23695, 27080, 31136, 37912, 38920, 43328, 44480, 47390, 54160, 62272, 75824, 77840, 94103, 94780, 108320, 151648, 155680, 188206, 189560, 216640, 303296, 311360, 376412, 379120, 470515, 658721, 752824, 758240, 941030, 1317442, 1505648, 1516480, 1882060, 2634884, 3011296, 3293605, 3764120, 5269768, 6022592, 6587210, 7528240, 10539536, 13174420, 15056480, 21079072, 26348840, 30112960, 42158144, 52697680, 105395360, 210790720]

約数ペア:

[(1, 210790720), (2, 105395360), (4, 52697680), (5, 42158144), (7, 30112960), (8, 26348840), (10, 21079072), (14, 15056480), (16, 13174420), (20, 10539536), (28, 7528240), (32, 6587210), (35, 6022592), (40, 5269768), (56, 3764120), (64, 3293605), (70, 3011296), (80, 2634884), (112, 1882060), (139, 1516480), (140, 1505648), (160, 1317442), (224, 941030), (278, 758240), (280, 752824), (320, 658721), (448, 470515), (556, 379120), (560, 376412), (677, 311360), (695, 303296), (973, 216640), (1112, 189560), (1120, 188206), (1354, 155680), (1390, 151648), (1946, 108320), (2224, 94780), (2240, 94103), (2708, 77840), (2780, 75824), (3385, 62272), (3892, 54160), (4448, 47390), (4739, 44480), (4865, 43328), (5416, 38920), (5560, 37912), (6770, 31136), (7784, 27080), (8896, 23695), (9478, 22240), (9730, 21664), (10832, 19460), (11120, 18956), (13540, 15568)]