254751960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20611}}^1$

素因数の和:20728

約数の個数: 64

約数和(自身を含む): 771713280

約数和(自身を除く): 516961320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 20611, 41222, 61833, 82444, 103055, 123666, 164888, 206110, 247332, 309165, 412220, 494664, 618330, 824440, 1236660, 2122933, 2473320, 4245866, 6368799, 8491732, 10614665, 12737598, 16983464, 21229330, 25475196, 31843995, 42458660, 50950392, 63687990, 84917320, 127375980, 254751960]

約数ペア:

[(1, 254751960), (2, 127375980), (3, 84917320), (4, 63687990), (5, 50950392), (6, 42458660), (8, 31843995), (10, 25475196), (12, 21229330), (15, 16983464), (20, 12737598), (24, 10614665), (30, 8491732), (40, 6368799), (60, 4245866), (103, 2473320), (120, 2122933), (206, 1236660), (309, 824440), (412, 618330), (515, 494664), (618, 412220), (824, 309165), (1030, 247332), (1236, 206110), (1545, 164888), (2060, 123666), (2472, 103055), (3090, 82444), (4120, 61833), (6180, 41222), (12360, 20611)]