81280584

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 224

約数和(自身を含む): 286453440

約数和(自身を除く): 205172856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 81, 84, 88, 99, 108, 126, 132, 154, 162, 168, 181, 189, 198, 216, 231, 243, 252, 264, 297, 308, 324, 362, 378, 396, 462, 486, 504, 543, 567, 594, 616, 648, 693, 724, 729, 756, 792, 891, 924, 972, 1086, 1134, 1188, 1267, 1386, 1448, 1458, 1512, 1629, 1701, 1782, 1848, 1944, 1991, 2079, 2172, 2268, 2376, 2534, 2673, 2772, 2916, 3258, 3402, 3564, 3801, 3982, 4158, 4344, 4536, 4887, 5068, 5103, 5346, 5544, 5832, 5973, 6237, 6516, 6804, 7128, 7602, 7964, 8019, 8316, 9774, 10136, 10206, 10692, 11403, 11946, 12474, 13032, 13608, 13937, 14661, 15204, 15928, 16038, 16632, 17919, 18711, 19548, 20412, 21384, 22806, 23892, 24948, 27874, 29322, 30408, 32076, 34209, 35838, 37422, 39096, 40824, 41811, 43983, 45612, 47784, 49896, 53757, 55748, 56133, 58644, 64152, 68418, 71676, 74844, 83622, 87966, 91224, 102627, 107514, 111496, 112266, 117288, 125433, 131949, 136836, 143352, 149688, 161271, 167244, 175932, 205254, 215028, 224532, 250866, 263898, 273672, 307881, 322542, 334488, 351864, 376299, 410508, 430056, 449064, 483813, 501732, 527796, 615762, 645084, 752598, 821016, 923643, 967626, 1003464, 1055592, 1128897, 1231524, 1290168, 1451439, 1505196, 1847286, 1935252, 2257794, 2463048, 2902878, 3010392, 3386691, 3694572, 3870504, 4515588, 5805756, 6773382, 7389144, 9031176, 10160073, 11611512, 13546764, 20320146, 27093528, 40640292, 81280584]

約数ペア:

[(1, 81280584), (2, 40640292), (3, 27093528), (4, 20320146), (6, 13546764), (7, 11611512), (8, 10160073), (9, 9031176), (11, 7389144), (12, 6773382), (14, 5805756), (18, 4515588), (21, 3870504), (22, 3694572), (24, 3386691), (27, 3010392), (28, 2902878), (33, 2463048), (36, 2257794), (42, 1935252), (44, 1847286), (54, 1505196), (56, 1451439), (63, 1290168), (66, 1231524), (72, 1128897), (77, 1055592), (81, 1003464), (84, 967626), (88, 923643), (99, 821016), (108, 752598), (126, 645084), (132, 615762), (154, 527796), (162, 501732), (168, 483813), (181, 449064), (189, 430056), (198, 410508), (216, 376299), (231, 351864), (243, 334488), (252, 322542), (264, 307881), (297, 273672), (308, 263898), (324, 250866), (362, 224532), (378, 215028), (396, 205254), (462, 175932), (486, 167244), (504, 161271), (543, 149688), (567, 143352), (594, 136836), (616, 131949), (648, 125433), (693, 117288), (724, 112266), (729, 111496), (756, 107514), (792, 102627), (891, 91224), (924, 87966), (972, 83622), (1086, 74844), (1134, 71676), (1188, 68418), (1267, 64152), (1386, 58644), (1448, 56133), (1458, 55748), (1512, 53757), (1629, 49896), (1701, 47784), (1782, 45612), (1848, 43983), (1944, 41811), (1991, 40824), (2079, 39096), (2172, 37422), (2268, 35838), (2376, 34209), (2534, 32076), (2673, 30408), (2772, 29322), (2916, 27874), (3258, 24948), (3402, 23892), (3564, 22806), (3801, 21384), (3982, 20412), (4158, 19548), (4344, 18711), (4536, 17919), (4887, 16632), (5068, 16038), (5103, 15928), (5346, 15204), (5544, 14661), (5832, 13937), (5973, 13608), (6237, 13032), (6516, 12474), (6804, 11946), (7128, 11403), (7602, 10692), (7964, 10206), (8019, 10136), (8316, 9774)]