1089760

素因数分解:

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

素因数の和:168

約数の個数: 72

約数和(自身を含む): 3016440

約数和(自身を除く): 1926680

約数列:

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

約数ペア:

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