51720420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8369}}^1$

素因数の和:8484

約数の個数: 48

約数和(自身を含む): 146240640

約数和(自身を除く): 94520220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 6180, 8369, 16738, 25107, 33476, 41845, 50214, 83690, 100428, 125535, 167380, 251070, 502140, 862007, 1724014, 2586021, 3448028, 4310035, 5172042, 8620070, 10344084, 12930105, 17240140, 25860210, 51720420]

約数ペア:

[(1, 51720420), (2, 25860210), (3, 17240140), (4, 12930105), (5, 10344084), (6, 8620070), (10, 5172042), (12, 4310035), (15, 3448028), (20, 2586021), (30, 1724014), (60, 862007), (103, 502140), (206, 251070), (309, 167380), (412, 125535), (515, 100428), (618, 83690), (1030, 50214), (1236, 41845), (1545, 33476), (2060, 25107), (3090, 16738), (6180, 8369)]