261297360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{883}}^1$

素因数の和:1042

約数の個数: 160

約数和(自身を含む): 907620480

約数和(自身を除く): 646323120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 137, 144, 180, 216, 240, 270, 274, 360, 411, 432, 540, 548, 685, 720, 822, 883, 1080, 1096, 1233, 1370, 1644, 1766, 2055, 2160, 2192, 2466, 2649, 2740, 3288, 3532, 3699, 4110, 4415, 4932, 5298, 5480, 6165, 6576, 7064, 7398, 7947, 8220, 8830, 9864, 10596, 10960, 12330, 13245, 14128, 14796, 15894, 16440, 17660, 18495, 19728, 21192, 23841, 24660, 26490, 29592, 31788, 32880, 35320, 36990, 39735, 42384, 47682, 49320, 52980, 59184, 63576, 70640, 73980, 79470, 95364, 98640, 105960, 119205, 120971, 127152, 147960, 158940, 190728, 211920, 238410, 241942, 295920, 317880, 362913, 381456, 476820, 483884, 604855, 635760, 725826, 953640, 967768, 1088739, 1209710, 1451652, 1814565, 1907280, 1935536, 2177478, 2419420, 2903304, 3266217, 3629130, 4354956, 4838840, 5443695, 5806608, 6532434, 7258260, 8709912, 9677680, 10887390, 13064868, 14516520, 16331085, 17419824, 21774780, 26129736, 29033040, 32662170, 43549560, 52259472, 65324340, 87099120, 130648680, 261297360]

約数ペア:

[(1, 261297360), (2, 130648680), (3, 87099120), (4, 65324340), (5, 52259472), (6, 43549560), (8, 32662170), (9, 29033040), (10, 26129736), (12, 21774780), (15, 17419824), (16, 16331085), (18, 14516520), (20, 13064868), (24, 10887390), (27, 9677680), (30, 8709912), (36, 7258260), (40, 6532434), (45, 5806608), (48, 5443695), (54, 4838840), (60, 4354956), (72, 3629130), (80, 3266217), (90, 2903304), (108, 2419420), (120, 2177478), (135, 1935536), (137, 1907280), (144, 1814565), (180, 1451652), (216, 1209710), (240, 1088739), (270, 967768), (274, 953640), (360, 725826), (411, 635760), (432, 604855), (540, 483884), (548, 476820), (685, 381456), (720, 362913), (822, 317880), (883, 295920), (1080, 241942), (1096, 238410), (1233, 211920), (1370, 190728), (1644, 158940), (1766, 147960), (2055, 127152), (2160, 120971), (2192, 119205), (2466, 105960), (2649, 98640), (2740, 95364), (3288, 79470), (3532, 73980), (3699, 70640), (4110, 63576), (4415, 59184), (4932, 52980), (5298, 49320), (5480, 47682), (6165, 42384), (6576, 39735), (7064, 36990), (7398, 35320), (7947, 32880), (8220, 31788), (8830, 29592), (9864, 26490), (10596, 24660), (10960, 23841), (12330, 21192), (13245, 19728), (14128, 18495), (14796, 17660), (15894, 16440)]