81276984

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 240715800

約数和(自身を除く): 159438816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 53, 57, 59, 72, 76, 106, 114, 118, 152, 159, 171, 177, 212, 228, 236, 318, 342, 354, 361, 424, 456, 472, 477, 531, 636, 684, 708, 722, 954, 1007, 1062, 1083, 1121, 1272, 1368, 1416, 1444, 1908, 2014, 2124, 2166, 2242, 2888, 3021, 3127, 3249, 3363, 3816, 4028, 4248, 4332, 4484, 6042, 6254, 6498, 6726, 8056, 8664, 8968, 9063, 9381, 10089, 12084, 12508, 12996, 13452, 18126, 18762, 19133, 20178, 21299, 24168, 25016, 25992, 26904, 28143, 36252, 37524, 38266, 40356, 42598, 56286, 57399, 59413, 63897, 72504, 75048, 76532, 80712, 85196, 112572, 114798, 118826, 127794, 153064, 170392, 172197, 178239, 191691, 225144, 229596, 237652, 255588, 344394, 356478, 383382, 459192, 475304, 511176, 534717, 688788, 712956, 766764, 1069434, 1128847, 1377576, 1425912, 1533528, 2138868, 2257694, 3386541, 4277736, 4515388, 6773082, 9030776, 10159623, 13546164, 20319246, 27092328, 40638492, 81276984]

約数ペア:

[(1, 81276984), (2, 40638492), (3, 27092328), (4, 20319246), (6, 13546164), (8, 10159623), (9, 9030776), (12, 6773082), (18, 4515388), (19, 4277736), (24, 3386541), (36, 2257694), (38, 2138868), (53, 1533528), (57, 1425912), (59, 1377576), (72, 1128847), (76, 1069434), (106, 766764), (114, 712956), (118, 688788), (152, 534717), (159, 511176), (171, 475304), (177, 459192), (212, 383382), (228, 356478), (236, 344394), (318, 255588), (342, 237652), (354, 229596), (361, 225144), (424, 191691), (456, 178239), (472, 172197), (477, 170392), (531, 153064), (636, 127794), (684, 118826), (708, 114798), (722, 112572), (954, 85196), (1007, 80712), (1062, 76532), (1083, 75048), (1121, 72504), (1272, 63897), (1368, 59413), (1416, 57399), (1444, 56286), (1908, 42598), (2014, 40356), (2124, 38266), (2166, 37524), (2242, 36252), (2888, 28143), (3021, 26904), (3127, 25992), (3249, 25016), (3363, 24168), (3816, 21299), (4028, 20178), (4248, 19133), (4332, 18762), (4484, 18126), (6042, 13452), (6254, 12996), (6498, 12508), (6726, 12084), (8056, 10089), (8664, 9381), (8968, 9063)]