688048680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 256

約数和(自身を含む): 2381322240

約数和(自身を除く): 1693273560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 131, 132, 138, 165, 173, 184, 220, 230, 253, 262, 264, 276, 330, 345, 346, 393, 440, 460, 506, 519, 524, 552, 655, 660, 690, 692, 759, 786, 865, 920, 1012, 1038, 1048, 1265, 1310, 1320, 1380, 1384, 1441, 1518, 1572, 1730, 1903, 1965, 2024, 2076, 2530, 2595, 2620, 2760, 2882, 3013, 3036, 3144, 3460, 3795, 3806, 3930, 3979, 4152, 4323, 5060, 5190, 5240, 5709, 5764, 6026, 6072, 6920, 7205, 7590, 7612, 7860, 7958, 8646, 9039, 9515, 10120, 10380, 11418, 11528, 11937, 12052, 14410, 15065, 15180, 15224, 15720, 15916, 17292, 18078, 19030, 19895, 20760, 21615, 22663, 22836, 23874, 24104, 28545, 28820, 30130, 30360, 31832, 33143, 34584, 36156, 38060, 39790, 43230, 43769, 45195, 45326, 45672, 47748, 57090, 57640, 59685, 60260, 66286, 67989, 72312, 76120, 79580, 86460, 87538, 90390, 90652, 95496, 99429, 113315, 114180, 119370, 120520, 131307, 132572, 135978, 159160, 165715, 172920, 175076, 180780, 181304, 198858, 218845, 226630, 228360, 238740, 249293, 262614, 265144, 271956, 331430, 339945, 350152, 361560, 397716, 437690, 453260, 477480, 497145, 498586, 521249, 525228, 543912, 656535, 662860, 679890, 747879, 795432, 875380, 906520, 994290, 997172, 1042498, 1050456, 1246465, 1313070, 1325720, 1359780, 1495758, 1563747, 1750760, 1988580, 1994344, 2084996, 2492930, 2606245, 2626140, 2719560, 2991516, 3127494, 3739395, 3977160, 4169992, 4985860, 5212490, 5252280, 5733739, 5983032, 6254988, 7478790, 7818735, 9971720, 10424980, 11467478, 12509976, 14957580, 15637470, 17201217, 20849960, 22934956, 28668695, 29915160, 31274940, 34402434, 45869912, 57337390, 62549880, 68804868, 86006085, 114674780, 137609736, 172012170, 229349560, 344024340, 688048680]

約数ペア:

[(1, 688048680), (2, 344024340), (3, 229349560), (4, 172012170), (5, 137609736), (6, 114674780), (8, 86006085), (10, 68804868), (11, 62549880), (12, 57337390), (15, 45869912), (20, 34402434), (22, 31274940), (23, 29915160), (24, 28668695), (30, 22934956), (33, 20849960), (40, 17201217), (44, 15637470), (46, 14957580), (55, 12509976), (60, 11467478), (66, 10424980), (69, 9971720), (88, 7818735), (92, 7478790), (110, 6254988), (115, 5983032), (120, 5733739), (131, 5252280), (132, 5212490), (138, 4985860), (165, 4169992), (173, 3977160), (184, 3739395), (220, 3127494), (230, 2991516), (253, 2719560), (262, 2626140), (264, 2606245), (276, 2492930), (330, 2084996), (345, 1994344), (346, 1988580), (393, 1750760), (440, 1563747), (460, 1495758), (506, 1359780), (519, 1325720), (524, 1313070), (552, 1246465), (655, 1050456), (660, 1042498), (690, 997172), (692, 994290), (759, 906520), (786, 875380), (865, 795432), (920, 747879), (1012, 679890), (1038, 662860), (1048, 656535), (1265, 543912), (1310, 525228), (1320, 521249), (1380, 498586), (1384, 497145), (1441, 477480), (1518, 453260), (1572, 437690), (1730, 397716), (1903, 361560), (1965, 350152), (2024, 339945), (2076, 331430), (2530, 271956), (2595, 265144), (2620, 262614), (2760, 249293), (2882, 238740), (3013, 228360), (3036, 226630), (3144, 218845), (3460, 198858), (3795, 181304), (3806, 180780), (3930, 175076), (3979, 172920), (4152, 165715), (4323, 159160), (5060, 135978), (5190, 132572), (5240, 131307), (5709, 120520), (5764, 119370), (6026, 114180), (6072, 113315), (6920, 99429), (7205, 95496), (7590, 90652), (7612, 90390), (7860, 87538), (7958, 86460), (8646, 79580), (9039, 76120), (9515, 72312), (10120, 67989), (10380, 66286), (11418, 60260), (11528, 59685), (11937, 57640), (12052, 57090), (14410, 47748), (15065, 45672), (15180, 45326), (15224, 45195), (15720, 43769), (15916, 43230), (17292, 39790), (18078, 38060), (19030, 36156), (19895, 34584), (20760, 33143), (21615, 31832), (22663, 30360), (22836, 30130), (23874, 28820), (24104, 28545)]