348615680

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 176

約数和(自身を含む): 976271616

約数和(自身を除く): 627655936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 137, 140, 142, 160, 224, 256, 274, 280, 284, 320, 355, 448, 497, 512, 548, 560, 568, 640, 685, 710, 896, 959, 994, 1024, 1096, 1120, 1136, 1280, 1370, 1420, 1792, 1918, 1988, 2192, 2240, 2272, 2485, 2560, 2740, 2840, 3584, 3836, 3976, 4384, 4480, 4544, 4795, 4970, 5120, 5480, 5680, 7168, 7672, 7952, 8768, 8960, 9088, 9590, 9727, 9940, 10960, 11360, 15344, 15904, 17536, 17920, 18176, 19180, 19454, 19880, 21920, 22720, 30688, 31808, 35072, 35840, 36352, 38360, 38908, 39760, 43840, 45440, 48635, 61376, 63616, 68089, 70144, 72704, 76720, 77816, 79520, 87680, 90880, 97270, 122752, 127232, 136178, 140288, 153440, 155632, 159040, 175360, 181760, 194540, 245504, 254464, 272356, 306880, 311264, 318080, 340445, 350720, 363520, 389080, 491008, 508928, 544712, 613760, 622528, 636160, 680890, 701440, 778160, 982016, 1089424, 1227520, 1245056, 1272320, 1361780, 1556320, 2178848, 2455040, 2490112, 2544640, 2723560, 3112640, 4357696, 4910080, 4980224, 5447120, 6225280, 8715392, 9960448, 10894240, 12450560, 17430784, 21788480, 24901120, 34861568, 43576960, 49802240, 69723136, 87153920, 174307840, 348615680]

約数ペア:

[(1, 348615680), (2, 174307840), (4, 87153920), (5, 69723136), (7, 49802240), (8, 43576960), (10, 34861568), (14, 24901120), (16, 21788480), (20, 17430784), (28, 12450560), (32, 10894240), (35, 9960448), (40, 8715392), (56, 6225280), (64, 5447120), (70, 4980224), (71, 4910080), (80, 4357696), (112, 3112640), (128, 2723560), (137, 2544640), (140, 2490112), (142, 2455040), (160, 2178848), (224, 1556320), (256, 1361780), (274, 1272320), (280, 1245056), (284, 1227520), (320, 1089424), (355, 982016), (448, 778160), (497, 701440), (512, 680890), (548, 636160), (560, 622528), (568, 613760), (640, 544712), (685, 508928), (710, 491008), (896, 389080), (959, 363520), (994, 350720), (1024, 340445), (1096, 318080), (1120, 311264), (1136, 306880), (1280, 272356), (1370, 254464), (1420, 245504), (1792, 194540), (1918, 181760), (1988, 175360), (2192, 159040), (2240, 155632), (2272, 153440), (2485, 140288), (2560, 136178), (2740, 127232), (2840, 122752), (3584, 97270), (3836, 90880), (3976, 87680), (4384, 79520), (4480, 77816), (4544, 76720), (4795, 72704), (4970, 70144), (5120, 68089), (5480, 63616), (5680, 61376), (7168, 48635), (7672, 45440), (7952, 43840), (8768, 39760), (8960, 38908), (9088, 38360), (9590, 36352), (9727, 35840), (9940, 35072), (10960, 31808), (11360, 30688), (15344, 22720), (15904, 21920), (17536, 19880), (17920, 19454), (18176, 19180)]