266980120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 682007040

約数和(自身を除く): 415026920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 103, 110, 137, 172, 206, 215, 220, 274, 344, 412, 430, 440, 473, 515, 548, 685, 824, 860, 946, 1030, 1096, 1133, 1370, 1507, 1720, 1892, 2060, 2266, 2365, 2740, 3014, 3784, 4120, 4429, 4532, 4730, 5480, 5665, 5891, 6028, 7535, 8858, 9064, 9460, 11330, 11782, 12056, 14111, 15070, 17716, 18920, 22145, 22660, 23564, 28222, 29455, 30140, 35432, 44290, 45320, 47128, 48719, 56444, 58910, 60280, 64801, 70555, 88580, 97438, 112888, 117820, 129602, 141110, 155221, 177160, 194876, 235640, 243595, 259204, 282220, 310442, 324005, 389752, 487190, 518408, 564440, 606773, 620884, 648010, 776105, 974380, 1213546, 1241768, 1296020, 1552210, 1948760, 2427092, 2592040, 3033865, 3104420, 4854184, 6067730, 6208840, 6674503, 12135460, 13349006, 24270920, 26698012, 33372515, 53396024, 66745030, 133490060, 266980120]

約数ペア:

[(1, 266980120), (2, 133490060), (4, 66745030), (5, 53396024), (8, 33372515), (10, 26698012), (11, 24270920), (20, 13349006), (22, 12135460), (40, 6674503), (43, 6208840), (44, 6067730), (55, 4854184), (86, 3104420), (88, 3033865), (103, 2592040), (110, 2427092), (137, 1948760), (172, 1552210), (206, 1296020), (215, 1241768), (220, 1213546), (274, 974380), (344, 776105), (412, 648010), (430, 620884), (440, 606773), (473, 564440), (515, 518408), (548, 487190), (685, 389752), (824, 324005), (860, 310442), (946, 282220), (1030, 259204), (1096, 243595), (1133, 235640), (1370, 194876), (1507, 177160), (1720, 155221), (1892, 141110), (2060, 129602), (2266, 117820), (2365, 112888), (2740, 97438), (3014, 88580), (3784, 70555), (4120, 64801), (4429, 60280), (4532, 58910), (4730, 56444), (5480, 48719), (5665, 47128), (5891, 45320), (6028, 44290), (7535, 35432), (8858, 30140), (9064, 29455), (9460, 28222), (11330, 23564), (11782, 22660), (12056, 22145), (14111, 18920), (15070, 17716)]