1291288670720

素因数分解:

$2^9\times 5^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1\times {\mathrm{5231}}^1$

素因数の和:5922

約数の個数: 160

約数和(自身を含む): 3118142497536

約数和(自身を除く): 1826853826816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 256, 320, 422, 457, 512, 640, 844, 914, 1055, 1280, 1688, 1828, 2110, 2285, 2560, 3376, 3656, 4220, 4570, 5231, 6752, 7312, 8440, 9140, 10462, 13504, 14624, 16880, 18280, 20924, 26155, 27008, 29248, 33760, 36560, 41848, 52310, 54016, 58496, 67520, 73120, 83696, 96427, 104620, 108032, 116992, 135040, 146240, 167392, 192854, 209240, 233984, 270080, 292480, 334784, 385708, 418480, 482135, 540160, 584960, 669568, 771416, 836960, 964270, 1103741, 1169920, 1339136, 1542832, 1673920, 1928540, 2207482, 2390567, 2678272, 3085664, 3347840, 3857080, 4414964, 4781134, 5518705, 6171328, 6695680, 7714160, 8829928, 9562268, 11037410, 11952835, 12342656, 13391360, 15428320, 17659856, 19124536, 22074820, 23905670, 24685312, 30856640, 35319712, 38249072, 44149640, 47811340, 49370624, 61713280, 70639424, 76498144, 88299280, 95622680, 123426560, 141278848, 152996288, 176598560, 191245360, 246853120, 282557696, 305992576, 353197120, 382490720, 504409637, 565115392, 611985152, 706394240, 764981440, 1008819274, 1223970304, 1412788480, 1529962880, 2017638548, 2522048185, 2825576960, 3059925760, 4035277096, 5044096370, 6119851520, 8070554192, 10088192740, 16141108384, 20176385480, 32282216768, 40352770960, 64564433536, 80705541920, 129128867072, 161411083840, 258257734144, 322822167680, 645644335360, 1291288670720]

約数ペア:

[(1, 1291288670720), (2, 645644335360), (4, 322822167680), (5, 258257734144), (8, 161411083840), (10, 129128867072), (16, 80705541920), (20, 64564433536), (32, 40352770960), (40, 32282216768), (64, 20176385480), (80, 16141108384), (128, 10088192740), (160, 8070554192), (211, 6119851520), (256, 5044096370), (320, 4035277096), (422, 3059925760), (457, 2825576960), (512, 2522048185), (640, 2017638548), (844, 1529962880), (914, 1412788480), (1055, 1223970304), (1280, 1008819274), (1688, 764981440), (1828, 706394240), (2110, 611985152), (2285, 565115392), (2560, 504409637), (3376, 382490720), (3656, 353197120), (4220, 305992576), (4570, 282557696), (5231, 246853120), (6752, 191245360), (7312, 176598560), (8440, 152996288), (9140, 141278848), (10462, 123426560), (13504, 95622680), (14624, 88299280), (16880, 76498144), (18280, 70639424), (20924, 61713280), (26155, 49370624), (27008, 47811340), (29248, 44149640), (33760, 38249072), (36560, 35319712), (41848, 30856640), (52310, 24685312), (54016, 23905670), (58496, 22074820), (67520, 19124536), (73120, 17659856), (83696, 15428320), (96427, 13391360), (104620, 12342656), (108032, 11952835), (116992, 11037410), (135040, 9562268), (146240, 8829928), (167392, 7714160), (192854, 6695680), (209240, 6171328), (233984, 5518705), (270080, 4781134), (292480, 4414964), (334784, 3857080), (385708, 3347840), (418480, 3085664), (482135, 2678272), (540160, 2390567), (584960, 2207482), (669568, 1928540), (771416, 1673920), (836960, 1542832), (964270, 1339136), (1103741, 1169920)]