15964751560

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1\times {\mathrm{5209}}^1$

素因数の和:5810

約数の個数: 64

約数和(自身を含む): 36204706800

約数和(自身を除く): 20239955240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 397, 772, 794, 965, 1544, 1588, 1930, 1985, 3176, 3860, 3970, 5209, 7720, 7940, 10418, 15880, 20836, 26045, 41672, 52090, 76621, 104180, 153242, 208360, 306484, 383105, 612968, 766210, 1005337, 1532420, 2010674, 2067973, 3064840, 4021348, 4135946, 5026685, 8042696, 8271892, 10053370, 10339865, 16543784, 20106740, 20679730, 40213480, 41359460, 82718920, 399118789, 798237578, 1596475156, 1995593945, 3192950312, 3991187890, 7982375780, 15964751560]

約数ペア:

[(1, 15964751560), (2, 7982375780), (4, 3991187890), (5, 3192950312), (8, 1995593945), (10, 1596475156), (20, 798237578), (40, 399118789), (193, 82718920), (386, 41359460), (397, 40213480), (772, 20679730), (794, 20106740), (965, 16543784), (1544, 10339865), (1588, 10053370), (1930, 8271892), (1985, 8042696), (3176, 5026685), (3860, 4135946), (3970, 4021348), (5209, 3064840), (7720, 2067973), (7940, 2010674), (10418, 1532420), (15880, 1005337), (20836, 766210), (26045, 612968), (41672, 383105), (52090, 306484), (76621, 208360), (104180, 153242)]