72471280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1019}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 194273280

約数和(自身を除く): 121802000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1019, 1270, 1778, 2032, 2038, 2540, 3556, 4076, 4445, 5080, 5095, 7112, 7133, 8152, 8890, 10160, 10190, 14224, 14266, 16304, 17780, 20380, 28532, 35560, 35665, 40760, 57064, 71120, 71330, 81520, 114128, 129413, 142660, 258826, 285320, 517652, 570640, 647065, 905891, 1035304, 1294130, 1811782, 2070608, 2588260, 3623564, 4529455, 5176520, 7247128, 9058910, 10353040, 14494256, 18117820, 36235640, 72471280]

約数ペア:

[(1, 72471280), (2, 36235640), (4, 18117820), (5, 14494256), (7, 10353040), (8, 9058910), (10, 7247128), (14, 5176520), (16, 4529455), (20, 3623564), (28, 2588260), (35, 2070608), (40, 1811782), (56, 1294130), (70, 1035304), (80, 905891), (112, 647065), (127, 570640), (140, 517652), (254, 285320), (280, 258826), (508, 142660), (560, 129413), (635, 114128), (889, 81520), (1016, 71330), (1019, 71120), (1270, 57064), (1778, 40760), (2032, 35665), (2038, 35560), (2540, 28532), (3556, 20380), (4076, 17780), (4445, 16304), (5080, 14266), (5095, 14224), (7112, 10190), (7133, 10160), (8152, 8890)]