261456160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{33349}}^1$

素因数の和:33378

約数の個数: 72

約数和(自身を含む): 718559100

約数和(自身を除く): 457102940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 33349, 66698, 133396, 166745, 233443, 266792, 333490, 466886, 533584, 666980, 933772, 1067168, 1167215, 1333960, 1634101, 1867544, 2334430, 2667920, 3268202, 3735088, 4668860, 5335840, 6536404, 7470176, 8170505, 9337720, 13072808, 16341010, 18675440, 26145616, 32682020, 37350880, 52291232, 65364040, 130728080, 261456160]

約数ペア:

[(1, 261456160), (2, 130728080), (4, 65364040), (5, 52291232), (7, 37350880), (8, 32682020), (10, 26145616), (14, 18675440), (16, 16341010), (20, 13072808), (28, 9337720), (32, 8170505), (35, 7470176), (40, 6536404), (49, 5335840), (56, 4668860), (70, 3735088), (80, 3268202), (98, 2667920), (112, 2334430), (140, 1867544), (160, 1634101), (196, 1333960), (224, 1167215), (245, 1067168), (280, 933772), (392, 666980), (490, 533584), (560, 466886), (784, 333490), (980, 266792), (1120, 233443), (1568, 166745), (1960, 133396), (3920, 66698), (7840, 33349)]