18008480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2297}}^1$

素因数の和:2326

約数の個数: 72

約数和(自身を含む): 49512708

約数和(自身を除く): 31504228

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, 2297, 3920, 4594, 7840, 9188, 11485, 16079, 18376, 22970, 32158, 36752, 45940, 64316, 73504, 80395, 91880, 112553, 128632, 160790, 183760, 225106, 257264, 321580, 367520, 450212, 514528, 562765, 643160, 900424, 1125530, 1286320, 1800848, 2251060, 2572640, 3601696, 4502120, 9004240, 18008480]

約数ペア:

[(1, 18008480), (2, 9004240), (4, 4502120), (5, 3601696), (7, 2572640), (8, 2251060), (10, 1800848), (14, 1286320), (16, 1125530), (20, 900424), (28, 643160), (32, 562765), (35, 514528), (40, 450212), (49, 367520), (56, 321580), (70, 257264), (80, 225106), (98, 183760), (112, 160790), (140, 128632), (160, 112553), (196, 91880), (224, 80395), (245, 73504), (280, 64316), (392, 45940), (490, 36752), (560, 32158), (784, 22970), (980, 18376), (1120, 16079), (1568, 11485), (1960, 9188), (2297, 7840), (3920, 4594)]