6643427840

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:499

約数の個数: 240

約数和(自身を含む): 18691241184

約数和(自身を除く): 12047813344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 211, 224, 245, 251, 256, 280, 320, 392, 422, 448, 490, 502, 512, 560, 640, 784, 844, 896, 980, 1004, 1055, 1120, 1255, 1280, 1477, 1568, 1688, 1757, 1792, 1960, 2008, 2110, 2240, 2510, 2560, 2954, 3136, 3376, 3514, 3584, 3920, 4016, 4220, 4480, 5020, 5908, 6272, 6752, 7028, 7385, 7840, 8032, 8440, 8785, 8960, 10040, 10339, 11816, 12299, 12544, 13504, 14056, 14770, 15680, 16064, 16880, 17570, 17920, 20080, 20678, 23632, 24598, 25088, 27008, 28112, 29540, 31360, 32128, 33760, 35140, 40160, 41356, 47264, 49196, 51695, 52961, 54016, 56224, 59080, 61495, 62720, 64256, 67520, 70280, 80320, 82712, 94528, 98392, 103390, 105922, 108032, 112448, 118160, 122990, 125440, 128512, 135040, 140560, 160640, 165424, 189056, 196784, 206780, 211844, 224896, 236320, 245980, 264805, 270080, 281120, 321280, 330848, 370727, 378112, 393568, 413560, 423688, 449792, 472640, 491960, 529610, 540160, 562240, 642560, 661696, 741454, 756224, 787136, 827120, 847376, 899584, 945280, 983920, 1059220, 1124480, 1323392, 1482908, 1574272, 1654240, 1694752, 1853635, 1890560, 1967840, 2118440, 2248960, 2595089, 2646784, 2965816, 3148544, 3308480, 3389504, 3707270, 3781120, 3935680, 4236880, 4497920, 5190178, 5293568, 5931632, 6297088, 6616960, 6779008, 7414540, 7871360, 8473760, 10380356, 11863264, 12975445, 13233920, 13558016, 14829080, 15742720, 16947520, 20760712, 23726528, 25950890, 26467840, 27116032, 29658160, 31485440, 33895040, 41521424, 47453056, 51901780, 59316320, 67790080, 83042848, 94906112, 103803560, 118632640, 135580160, 166085696, 189812224, 207607120, 237265280, 332171392, 415214240, 474530560, 664342784, 830428480, 949061120, 1328685568, 1660856960, 3321713920, 6643427840]

約数ペア:

[(1, 6643427840), (2, 3321713920), (4, 1660856960), (5, 1328685568), (7, 949061120), (8, 830428480), (10, 664342784), (14, 474530560), (16, 415214240), (20, 332171392), (28, 237265280), (32, 207607120), (35, 189812224), (40, 166085696), (49, 135580160), (56, 118632640), (64, 103803560), (70, 94906112), (80, 83042848), (98, 67790080), (112, 59316320), (128, 51901780), (140, 47453056), (160, 41521424), (196, 33895040), (211, 31485440), (224, 29658160), (245, 27116032), (251, 26467840), (256, 25950890), (280, 23726528), (320, 20760712), (392, 16947520), (422, 15742720), (448, 14829080), (490, 13558016), (502, 13233920), (512, 12975445), (560, 11863264), (640, 10380356), (784, 8473760), (844, 7871360), (896, 7414540), (980, 6779008), (1004, 6616960), (1055, 6297088), (1120, 5931632), (1255, 5293568), (1280, 5190178), (1477, 4497920), (1568, 4236880), (1688, 3935680), (1757, 3781120), (1792, 3707270), (1960, 3389504), (2008, 3308480), (2110, 3148544), (2240, 2965816), (2510, 2646784), (2560, 2595089), (2954, 2248960), (3136, 2118440), (3376, 1967840), (3514, 1890560), (3584, 1853635), (3920, 1694752), (4016, 1654240), (4220, 1574272), (4480, 1482908), (5020, 1323392), (5908, 1124480), (6272, 1059220), (6752, 983920), (7028, 945280), (7385, 899584), (7840, 847376), (8032, 827120), (8440, 787136), (8785, 756224), (8960, 741454), (10040, 661696), (10339, 642560), (11816, 562240), (12299, 540160), (12544, 529610), (13504, 491960), (14056, 472640), (14770, 449792), (15680, 423688), (16064, 413560), (16880, 393568), (17570, 378112), (17920, 370727), (20080, 330848), (20678, 321280), (23632, 281120), (24598, 270080), (25088, 264805), (27008, 245980), (28112, 236320), (29540, 224896), (31360, 211844), (32128, 206780), (33760, 196784), (35140, 189056), (40160, 165424), (41356, 160640), (47264, 140560), (49196, 135040), (51695, 128512), (52961, 125440), (54016, 122990), (56224, 118160), (59080, 112448), (61495, 108032), (62720, 105922), (64256, 103390), (67520, 98392), (70280, 94528), (80320, 82712)]