2179520

素因数分解:

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

素因数の和:170

約数の個数: 84

約数和(自身を含む): 6080760

約数和(自身を除く): 3901240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 139, 140, 160, 196, 224, 245, 278, 280, 320, 392, 448, 490, 556, 560, 695, 784, 973, 980, 1112, 1120, 1390, 1568, 1946, 1960, 2224, 2240, 2780, 3136, 3892, 3920, 4448, 4865, 5560, 6811, 7784, 7840, 8896, 9730, 11120, 13622, 15568, 15680, 19460, 22240, 27244, 31136, 34055, 38920, 44480, 54488, 62272, 68110, 77840, 108976, 136220, 155680, 217952, 272440, 311360, 435904, 544880, 1089760, 2179520]

約数ペア:

[(1, 2179520), (2, 1089760), (4, 544880), (5, 435904), (7, 311360), (8, 272440), (10, 217952), (14, 155680), (16, 136220), (20, 108976), (28, 77840), (32, 68110), (35, 62272), (40, 54488), (49, 44480), (56, 38920), (64, 34055), (70, 31136), (80, 27244), (98, 22240), (112, 19460), (139, 15680), (140, 15568), (160, 13622), (196, 11120), (224, 9730), (245, 8896), (278, 7840), (280, 7784), (320, 6811), (392, 5560), (448, 4865), (490, 4448), (556, 3920), (560, 3892), (695, 3136), (784, 2780), (973, 2240), (980, 2224), (1112, 1960), (1120, 1946), (1390, 1568)]