17998424320

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 43730750448

約数和(自身を除く): 25732326128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 197, 256, 274, 320, 394, 521, 548, 640, 685, 788, 985, 1042, 1096, 1280, 1370, 1576, 1970, 2084, 2192, 2605, 2740, 3152, 3940, 4168, 4384, 5210, 5480, 6304, 7880, 8336, 8768, 10420, 10960, 12608, 15760, 16672, 17536, 20840, 21920, 25216, 26989, 31520, 33344, 35072, 41680, 43840, 50432, 53978, 63040, 66688, 71377, 83360, 87680, 102637, 107956, 126080, 133376, 134945, 142754, 166720, 175360, 205274, 215912, 252160, 269890, 285508, 333440, 356885, 410548, 431824, 513185, 539780, 571016, 666880, 713770, 821096, 863648, 1026370, 1079560, 1142032, 1427540, 1642192, 1727296, 2052740, 2159120, 2284064, 2855080, 3284384, 3454592, 4105480, 4318240, 4568128, 5710160, 6568768, 6909184, 8210960, 8636480, 9136256, 11420320, 13137536, 14061269, 16421920, 17272960, 18272512, 22840640, 26275072, 28122538, 32843840, 34545920, 45681280, 56245076, 65687680, 70306345, 91362560, 112490152, 131375360, 140612690, 224980304, 281225380, 449960608, 562450760, 899921216, 1124901520, 1799842432, 2249803040, 3599684864, 4499606080, 8999212160, 17998424320]

約数ペア:

[(1, 17998424320), (2, 8999212160), (4, 4499606080), (5, 3599684864), (8, 2249803040), (10, 1799842432), (16, 1124901520), (20, 899921216), (32, 562450760), (40, 449960608), (64, 281225380), (80, 224980304), (128, 140612690), (137, 131375360), (160, 112490152), (197, 91362560), (256, 70306345), (274, 65687680), (320, 56245076), (394, 45681280), (521, 34545920), (548, 32843840), (640, 28122538), (685, 26275072), (788, 22840640), (985, 18272512), (1042, 17272960), (1096, 16421920), (1280, 14061269), (1370, 13137536), (1576, 11420320), (1970, 9136256), (2084, 8636480), (2192, 8210960), (2605, 6909184), (2740, 6568768), (3152, 5710160), (3940, 4568128), (4168, 4318240), (4384, 4105480), (5210, 3454592), (5480, 3284384), (6304, 2855080), (7880, 2284064), (8336, 2159120), (8768, 2052740), (10420, 1727296), (10960, 1642192), (12608, 1427540), (15760, 1142032), (16672, 1079560), (17536, 1026370), (20840, 863648), (21920, 821096), (25216, 713770), (26989, 666880), (31520, 571016), (33344, 539780), (35072, 513185), (41680, 431824), (43840, 410548), (50432, 356885), (53978, 333440), (63040, 285508), (66688, 269890), (71377, 252160), (83360, 215912), (87680, 205274), (102637, 175360), (107956, 166720), (126080, 142754), (133376, 134945)]