320440973968

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1\times {\mathrm{17449}}^1$

素因数の和:18024

約数の個数: 80

約数和(自身を含む): 648586067200

約数和(自身を除く): 328145093232

約数列:

[1, 2, 4, 8, 16, 37, 67, 74, 134, 148, 268, 296, 463, 536, 592, 926, 1072, 1852, 2479, 3704, 4958, 7408, 9916, 17131, 17449, 19832, 31021, 34262, 34898, 39664, 62042, 68524, 69796, 124084, 137048, 139592, 248168, 274096, 279184, 496336, 645613, 1147777, 1169083, 1291226, 2295554, 2338166, 2582452, 4591108, 4676332, 5164904, 8078887, 9182216, 9352664, 10329808, 16157774, 18364432, 18705328, 32315548, 43256071, 64631096, 86512142, 129262192, 173024284, 298918819, 346048568, 541285429, 597837638, 692097136, 1082570858, 1195675276, 2165141716, 2391350552, 4330283432, 4782701104, 8660566864, 20027560873, 40055121746, 80110243492, 160220486984, 320440973968]

約数ペア:

[(1, 320440973968), (2, 160220486984), (4, 80110243492), (8, 40055121746), (16, 20027560873), (37, 8660566864), (67, 4782701104), (74, 4330283432), (134, 2391350552), (148, 2165141716), (268, 1195675276), (296, 1082570858), (463, 692097136), (536, 597837638), (592, 541285429), (926, 346048568), (1072, 298918819), (1852, 173024284), (2479, 129262192), (3704, 86512142), (4958, 64631096), (7408, 43256071), (9916, 32315548), (17131, 18705328), (17449, 18364432), (19832, 16157774), (31021, 10329808), (34262, 9352664), (34898, 9182216), (39664, 8078887), (62042, 5164904), (68524, 4676332), (69796, 4591108), (124084, 2582452), (137048, 2338166), (139592, 2295554), (248168, 1291226), (274096, 1169083), (279184, 1147777), (496336, 645613)]