15691760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4003}}^1$

素因数の和:4030

約数の個数: 60

約数和(自身を含む): 42450408

約数和(自身を除く): 26758648

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, 4003, 8006, 16012, 20015, 28021, 32024, 40030, 56042, 64048, 80060, 112084, 140105, 160120, 196147, 224168, 280210, 320240, 392294, 448336, 560420, 784588, 980735, 1120840, 1569176, 1961470, 2241680, 3138352, 3922940, 7845880, 15691760]

約数ペア:

[(1, 15691760), (2, 7845880), (4, 3922940), (5, 3138352), (7, 2241680), (8, 1961470), (10, 1569176), (14, 1120840), (16, 980735), (20, 784588), (28, 560420), (35, 448336), (40, 392294), (49, 320240), (56, 280210), (70, 224168), (80, 196147), (98, 160120), (112, 140105), (140, 112084), (196, 80060), (245, 64048), (280, 56042), (392, 40030), (490, 32024), (560, 28021), (784, 20015), (980, 16012), (1960, 8006), (3920, 4003)]