15409520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3931}}^1$

素因数の和:3958

約数の個数: 60

約数和(自身を含む): 41687064

約数和(自身を除く): 26277544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 3931, 7862, 15724, 19655, 27517, 31448, 39310, 55034, 62896, 78620, 110068, 137585, 157240, 192619, 220136, 275170, 314480, 385238, 440272, 550340, 770476, 963095, 1100680, 1540952, 1926190, 2201360, 3081904, 3852380, 7704760, 15409520]

約数ペア:

[(1, 15409520), (2, 7704760), (4, 3852380), (5, 3081904), (7, 2201360), (8, 1926190), (10, 1540952), (14, 1100680), (16, 963095), (20, 770476), (28, 550340), (35, 440272), (40, 385238), (49, 314480), (56, 275170), (70, 220136), (80, 192619), (98, 157240), (112, 137585), (140, 110068), (196, 78620), (245, 62896), (280, 55034), (392, 39310), (490, 31448), (560, 27517), (784, 19655), (980, 15724), (1960, 7862), (3920, 3931)]