280656864

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 825552000

約数和(自身を除く): 544895136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 83, 96, 118, 144, 166, 177, 199, 236, 249, 288, 332, 354, 398, 472, 498, 531, 597, 664, 708, 747, 796, 944, 996, 1062, 1194, 1328, 1416, 1494, 1592, 1791, 1888, 1992, 2124, 2388, 2656, 2832, 2988, 3184, 3582, 3984, 4248, 4776, 4897, 5664, 5976, 6368, 7164, 7968, 8496, 9552, 9794, 11741, 11952, 14328, 14691, 16517, 16992, 19104, 19588, 23482, 23904, 28656, 29382, 33034, 35223, 39176, 44073, 46964, 49551, 57312, 58764, 66068, 70446, 78352, 88146, 93928, 99102, 105669, 117528, 132136, 140892, 148653, 156704, 176292, 187856, 198204, 211338, 235056, 264272, 281784, 297306, 352584, 375712, 396408, 422676, 470112, 528544, 563568, 594612, 705168, 792816, 845352, 974503, 1127136, 1189224, 1410336, 1585632, 1690704, 1949006, 2378448, 2923509, 3381408, 3898012, 4756896, 5847018, 7796024, 8770527, 11694036, 15592048, 17541054, 23388072, 31184096, 35082108, 46776144, 70164216, 93552288, 140328432, 280656864]

約数ペア:

[(1, 280656864), (2, 140328432), (3, 93552288), (4, 70164216), (6, 46776144), (8, 35082108), (9, 31184096), (12, 23388072), (16, 17541054), (18, 15592048), (24, 11694036), (32, 8770527), (36, 7796024), (48, 5847018), (59, 4756896), (72, 3898012), (83, 3381408), (96, 2923509), (118, 2378448), (144, 1949006), (166, 1690704), (177, 1585632), (199, 1410336), (236, 1189224), (249, 1127136), (288, 974503), (332, 845352), (354, 792816), (398, 705168), (472, 594612), (498, 563568), (531, 528544), (597, 470112), (664, 422676), (708, 396408), (747, 375712), (796, 352584), (944, 297306), (996, 281784), (1062, 264272), (1194, 235056), (1328, 211338), (1416, 198204), (1494, 187856), (1592, 176292), (1791, 156704), (1888, 148653), (1992, 140892), (2124, 132136), (2388, 117528), (2656, 105669), (2832, 99102), (2988, 93928), (3184, 88146), (3582, 78352), (3984, 70446), (4248, 66068), (4776, 58764), (4897, 57312), (5664, 49551), (5976, 46964), (6368, 44073), (7164, 39176), (7968, 35223), (8496, 33034), (9552, 29382), (9794, 28656), (11741, 23904), (11952, 23482), (14328, 19588), (14691, 19104), (16517, 16992)]