11478320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 30950400

約数和(自身を除く): 19472080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 199, 206, 280, 398, 412, 515, 560, 721, 796, 824, 995, 1030, 1393, 1442, 1592, 1648, 1990, 2060, 2786, 2884, 3184, 3605, 3980, 4120, 5572, 5768, 6965, 7210, 7960, 8240, 11144, 11536, 13930, 14420, 15920, 20497, 22288, 27860, 28840, 40994, 55720, 57680, 81988, 102485, 111440, 143479, 163976, 204970, 286958, 327952, 409940, 573916, 717395, 819880, 1147832, 1434790, 1639760, 2295664, 2869580, 5739160, 11478320]

約数ペア:

[(1, 11478320), (2, 5739160), (4, 2869580), (5, 2295664), (7, 1639760), (8, 1434790), (10, 1147832), (14, 819880), (16, 717395), (20, 573916), (28, 409940), (35, 327952), (40, 286958), (56, 204970), (70, 163976), (80, 143479), (103, 111440), (112, 102485), (140, 81988), (199, 57680), (206, 55720), (280, 40994), (398, 28840), (412, 27860), (515, 22288), (560, 20497), (721, 15920), (796, 14420), (824, 13930), (995, 11536), (1030, 11144), (1393, 8240), (1442, 7960), (1592, 7210), (1648, 6965), (1990, 5768), (2060, 5572), (2786, 4120), (2884, 3980), (3184, 3605)]