81354168

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 192

約数和(自身を含む): 268369920

約数和(自身を除く): 187015752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 41, 42, 56, 62, 63, 72, 82, 84, 93, 123, 124, 126, 127, 164, 168, 186, 217, 246, 248, 252, 254, 279, 287, 328, 369, 372, 381, 434, 492, 504, 508, 558, 574, 651, 738, 744, 762, 861, 868, 889, 984, 1016, 1116, 1143, 1148, 1271, 1302, 1476, 1524, 1722, 1736, 1778, 1953, 2232, 2286, 2296, 2542, 2583, 2604, 2667, 2952, 3048, 3444, 3556, 3813, 3906, 3937, 4572, 5084, 5166, 5207, 5208, 5334, 6888, 7112, 7626, 7812, 7874, 8001, 8897, 9144, 10168, 10332, 10414, 10668, 11439, 11811, 15252, 15621, 15624, 15748, 16002, 17794, 20664, 20828, 21336, 22878, 23622, 26691, 27559, 30504, 31242, 31496, 32004, 35433, 35588, 36449, 41656, 45756, 46863, 47244, 53382, 55118, 62484, 64008, 70866, 71176, 72898, 80073, 82677, 91512, 93726, 94488, 106764, 109347, 110236, 124968, 141732, 145796, 160146, 161417, 165354, 187452, 213528, 218694, 220472, 248031, 283464, 291592, 320292, 322834, 328041, 330708, 374904, 437388, 484251, 496062, 640584, 645668, 656082, 661416, 874776, 968502, 992124, 1129919, 1291336, 1312164, 1452753, 1937004, 1984248, 2259838, 2624328, 2905506, 3389757, 3874008, 4519676, 5811012, 6779514, 9039352, 10169271, 11622024, 13559028, 20338542, 27118056, 40677084, 81354168]

約数ペア:

[(1, 81354168), (2, 40677084), (3, 27118056), (4, 20338542), (6, 13559028), (7, 11622024), (8, 10169271), (9, 9039352), (12, 6779514), (14, 5811012), (18, 4519676), (21, 3874008), (24, 3389757), (28, 2905506), (31, 2624328), (36, 2259838), (41, 1984248), (42, 1937004), (56, 1452753), (62, 1312164), (63, 1291336), (72, 1129919), (82, 992124), (84, 968502), (93, 874776), (123, 661416), (124, 656082), (126, 645668), (127, 640584), (164, 496062), (168, 484251), (186, 437388), (217, 374904), (246, 330708), (248, 328041), (252, 322834), (254, 320292), (279, 291592), (287, 283464), (328, 248031), (369, 220472), (372, 218694), (381, 213528), (434, 187452), (492, 165354), (504, 161417), (508, 160146), (558, 145796), (574, 141732), (651, 124968), (738, 110236), (744, 109347), (762, 106764), (861, 94488), (868, 93726), (889, 91512), (984, 82677), (1016, 80073), (1116, 72898), (1143, 71176), (1148, 70866), (1271, 64008), (1302, 62484), (1476, 55118), (1524, 53382), (1722, 47244), (1736, 46863), (1778, 45756), (1953, 41656), (2232, 36449), (2286, 35588), (2296, 35433), (2542, 32004), (2583, 31496), (2604, 31242), (2667, 30504), (2952, 27559), (3048, 26691), (3444, 23622), (3556, 22878), (3813, 21336), (3906, 20828), (3937, 20664), (4572, 17794), (5084, 16002), (5166, 15748), (5207, 15624), (5208, 15621), (5334, 15252), (6888, 11811), (7112, 11439), (7626, 10668), (7812, 10414), (7874, 10332), (8001, 10168), (8897, 9144)]