256762020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{10463}}^1$

素因数の和:10884

約数の個数: 48

約数和(自身を含む): 720760320

約数和(自身を除く): 463998300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 2045, 2454, 4090, 4908, 6135, 8180, 10463, 12270, 20926, 24540, 31389, 41852, 52315, 62778, 104630, 125556, 156945, 209260, 313890, 627780, 4279367, 8558734, 12838101, 17117468, 21396835, 25676202, 42793670, 51352404, 64190505, 85587340, 128381010, 256762020]

約数ペア:

[(1, 256762020), (2, 128381010), (3, 85587340), (4, 64190505), (5, 51352404), (6, 42793670), (10, 25676202), (12, 21396835), (15, 17117468), (20, 12838101), (30, 8558734), (60, 4279367), (409, 627780), (818, 313890), (1227, 209260), (1636, 156945), (2045, 125556), (2454, 104630), (4090, 62778), (4908, 52315), (6135, 41852), (8180, 31389), (10463, 24540), (12270, 20926)]