90013280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{80369}}^1$

素因数の和:80391

約数の個数: 48

約数和(自身を含む): 243038880

約数和(自身を除く): 153025600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 80369, 160738, 321476, 401845, 562583, 642952, 803690, 1125166, 1285904, 1607380, 2250332, 2571808, 2812915, 3214760, 4500664, 5625830, 6429520, 9001328, 11251660, 12859040, 18002656, 22503320, 45006640, 90013280]

約数ペア:

[(1, 90013280), (2, 45006640), (4, 22503320), (5, 18002656), (7, 12859040), (8, 11251660), (10, 9001328), (14, 6429520), (16, 5625830), (20, 4500664), (28, 3214760), (32, 2812915), (35, 2571808), (40, 2250332), (56, 1607380), (70, 1285904), (80, 1125166), (112, 803690), (140, 642952), (160, 562583), (224, 401845), (280, 321476), (560, 160738), (1120, 80369)]