15631280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 42092544

約数和(自身を除く): 26461264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 271, 280, 412, 515, 542, 560, 721, 824, 1030, 1084, 1355, 1442, 1648, 1897, 2060, 2168, 2710, 2884, 3605, 3794, 4120, 4336, 5420, 5768, 7210, 7588, 8240, 9485, 10840, 11536, 14420, 15176, 18970, 21680, 27913, 28840, 30352, 37940, 55826, 57680, 75880, 111652, 139565, 151760, 195391, 223304, 279130, 390782, 446608, 558260, 781564, 976955, 1116520, 1563128, 1953910, 2233040, 3126256, 3907820, 7815640, 15631280]

約数ペア:

[(1, 15631280), (2, 7815640), (4, 3907820), (5, 3126256), (7, 2233040), (8, 1953910), (10, 1563128), (14, 1116520), (16, 976955), (20, 781564), (28, 558260), (35, 446608), (40, 390782), (56, 279130), (70, 223304), (80, 195391), (103, 151760), (112, 139565), (140, 111652), (206, 75880), (271, 57680), (280, 55826), (412, 37940), (515, 30352), (542, 28840), (560, 27913), (721, 21680), (824, 18970), (1030, 15176), (1084, 14420), (1355, 11536), (1442, 10840), (1648, 9485), (1897, 8240), (2060, 7588), (2168, 7210), (2710, 5768), (2884, 5420), (3605, 4336), (3794, 4120)]