131048960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 160

約数和(自身を含む): 367690752

約数和(自身を除く): 236641792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 103, 112, 128, 140, 142, 160, 206, 224, 256, 280, 284, 320, 355, 412, 448, 497, 512, 515, 560, 568, 640, 710, 721, 824, 896, 994, 1030, 1120, 1136, 1280, 1420, 1442, 1648, 1792, 1988, 2060, 2240, 2272, 2485, 2560, 2840, 2884, 3296, 3584, 3605, 3976, 4120, 4480, 4544, 4970, 5680, 5768, 6592, 7210, 7313, 7952, 8240, 8960, 9088, 9940, 11360, 11536, 13184, 14420, 14626, 15904, 16480, 17920, 18176, 19880, 22720, 23072, 26368, 28840, 29252, 31808, 32960, 36352, 36565, 39760, 45440, 46144, 51191, 52736, 57680, 58504, 63616, 65920, 73130, 79520, 90880, 92288, 102382, 115360, 117008, 127232, 131840, 146260, 159040, 181760, 184576, 204764, 230720, 234016, 254464, 255955, 263680, 292520, 318080, 369152, 409528, 461440, 468032, 511910, 585040, 636160, 819056, 922880, 936064, 1023820, 1170080, 1272320, 1638112, 1845760, 1872128, 2047640, 2340160, 3276224, 3744256, 4095280, 4680320, 6552448, 8190560, 9360640, 13104896, 16381120, 18721280, 26209792, 32762240, 65524480, 131048960]

約数ペア:

[(1, 131048960), (2, 65524480), (4, 32762240), (5, 26209792), (7, 18721280), (8, 16381120), (10, 13104896), (14, 9360640), (16, 8190560), (20, 6552448), (28, 4680320), (32, 4095280), (35, 3744256), (40, 3276224), (56, 2340160), (64, 2047640), (70, 1872128), (71, 1845760), (80, 1638112), (103, 1272320), (112, 1170080), (128, 1023820), (140, 936064), (142, 922880), (160, 819056), (206, 636160), (224, 585040), (256, 511910), (280, 468032), (284, 461440), (320, 409528), (355, 369152), (412, 318080), (448, 292520), (497, 263680), (512, 255955), (515, 254464), (560, 234016), (568, 230720), (640, 204764), (710, 184576), (721, 181760), (824, 159040), (896, 146260), (994, 131840), (1030, 127232), (1120, 117008), (1136, 115360), (1280, 102382), (1420, 92288), (1442, 90880), (1648, 79520), (1792, 73130), (1988, 65920), (2060, 63616), (2240, 58504), (2272, 57680), (2485, 52736), (2560, 51191), (2840, 46144), (2884, 45440), (3296, 39760), (3584, 36565), (3605, 36352), (3976, 32960), (4120, 31808), (4480, 29252), (4544, 28840), (4970, 26368), (5680, 23072), (5768, 22720), (6592, 19880), (7210, 18176), (7313, 17920), (7952, 16480), (8240, 15904), (8960, 14626), (9088, 14420), (9940, 13184), (11360, 11536)]