8421280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 23272704

約数和(自身を除く): 14851424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 103, 112, 140, 146, 160, 206, 224, 280, 292, 365, 412, 511, 515, 560, 584, 721, 730, 824, 1022, 1030, 1120, 1168, 1442, 1460, 1648, 2044, 2060, 2336, 2555, 2884, 2920, 3296, 3605, 4088, 4120, 5110, 5768, 5840, 7210, 7519, 8176, 8240, 10220, 11536, 11680, 14420, 15038, 16352, 16480, 20440, 23072, 28840, 30076, 37595, 40880, 52633, 57680, 60152, 75190, 81760, 105266, 115360, 120304, 150380, 210532, 240608, 263165, 300760, 421064, 526330, 601520, 842128, 1052660, 1203040, 1684256, 2105320, 4210640, 8421280]

約数ペア:

[(1, 8421280), (2, 4210640), (4, 2105320), (5, 1684256), (7, 1203040), (8, 1052660), (10, 842128), (14, 601520), (16, 526330), (20, 421064), (28, 300760), (32, 263165), (35, 240608), (40, 210532), (56, 150380), (70, 120304), (73, 115360), (80, 105266), (103, 81760), (112, 75190), (140, 60152), (146, 57680), (160, 52633), (206, 40880), (224, 37595), (280, 30076), (292, 28840), (365, 23072), (412, 20440), (511, 16480), (515, 16352), (560, 15038), (584, 14420), (721, 11680), (730, 11536), (824, 10220), (1022, 8240), (1030, 8176), (1120, 7519), (1168, 7210), (1442, 5840), (1460, 5768), (1648, 5110), (2044, 4120), (2060, 4088), (2336, 3605), (2555, 3296), (2884, 2920)]