20779562880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{38791}}^1$

素因数の和:38850

約数の個数: 256

約数和(自身を含む): 75970252800

約数和(自身を除く): 55190689920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1395, 1440, 1488, 1674, 1728, 1860, 1920, 1984, 2160, 2232, 2480, 2790, 2880, 2976, 3348, 3456, 3720, 3968, 4185, 4320, 4464, 4960, 5580, 5760, 5952, 6696, 7440, 8370, 8640, 8928, 9920, 11160, 11904, 13392, 14880, 16740, 17280, 17856, 19840, 22320, 26784, 29760, 33480, 35712, 38791, 44640, 53568, 59520, 66960, 77582, 89280, 107136, 116373, 133920, 155164, 178560, 193955, 232746, 267840, 310328, 349119, 387910, 465492, 535680, 581865, 620656, 698238, 775820, 930984, 1047357, 1163730, 1202521, 1241312, 1396476, 1551640, 1745595, 1861968, 2094714, 2327460, 2405042, 2482624, 2792952, 3103280, 3491190, 3607563, 3723936, 4189428, 4654920, 4810084, 4965248, 5236785, 5585904, 6012605, 6206560, 6982380, 7215126, 7447872, 8378856, 9309840, 9620168, 10473570, 10822689, 11171808, 12025210, 12413120, 13964760, 14430252, 14895744, 16757712, 18037815, 18619680, 19240336, 20947140, 21645378, 22343616, 24050420, 24826240, 27929520, 28860504, 32468067, 33515424, 36075630, 37239360, 38480672, 41894280, 43290756, 44687232, 48100840, 54113445, 55859040, 57721008, 64936134, 67030848, 72151260, 74478720, 76961344, 83788560, 86581512, 96201680, 108226890, 111718080, 115442016, 129872268, 134061696, 144302520, 153922688, 162340335, 167577120, 173163024, 192403360, 216453780, 223436160, 230884032, 259744536, 288605040, 324680670, 335154240, 346326048, 384806720, 432907560, 461768064, 519489072, 577210080, 649361340, 670308480, 692652096, 769613440, 865815120, 1038978144, 1154420160, 1298722680, 1385304192, 1731630240, 2077956288, 2308840320, 2597445360, 3463260480, 4155912576, 5194890720, 6926520960, 10389781440, 20779562880]

約数ペア:

[(1, 20779562880), (2, 10389781440), (3, 6926520960), (4, 5194890720), (5, 4155912576), (6, 3463260480), (8, 2597445360), (9, 2308840320), (10, 2077956288), (12, 1731630240), (15, 1385304192), (16, 1298722680), (18, 1154420160), (20, 1038978144), (24, 865815120), (27, 769613440), (30, 692652096), (31, 670308480), (32, 649361340), (36, 577210080), (40, 519489072), (45, 461768064), (48, 432907560), (54, 384806720), (60, 346326048), (62, 335154240), (64, 324680670), (72, 288605040), (80, 259744536), (90, 230884032), (93, 223436160), (96, 216453780), (108, 192403360), (120, 173163024), (124, 167577120), (128, 162340335), (135, 153922688), (144, 144302520), (155, 134061696), (160, 129872268), (180, 115442016), (186, 111718080), (192, 108226890), (216, 96201680), (240, 86581512), (248, 83788560), (270, 76961344), (279, 74478720), (288, 72151260), (310, 67030848), (320, 64936134), (360, 57721008), (372, 55859040), (384, 54113445), (432, 48100840), (465, 44687232), (480, 43290756), (496, 41894280), (540, 38480672), (558, 37239360), (576, 36075630), (620, 33515424), (640, 32468067), (720, 28860504), (744, 27929520), (837, 24826240), (864, 24050420), (930, 22343616), (960, 21645378), (992, 20947140), (1080, 19240336), (1116, 18619680), (1152, 18037815), (1240, 16757712), (1395, 14895744), (1440, 14430252), (1488, 13964760), (1674, 12413120), (1728, 12025210), (1860, 11171808), (1920, 10822689), (1984, 10473570), (2160, 9620168), (2232, 9309840), (2480, 8378856), (2790, 7447872), (2880, 7215126), (2976, 6982380), (3348, 6206560), (3456, 6012605), (3720, 5585904), (3968, 5236785), (4185, 4965248), (4320, 4810084), (4464, 4654920), (4960, 4189428), (5580, 3723936), (5760, 3607563), (5952, 3491190), (6696, 3103280), (7440, 2792952), (8370, 2482624), (8640, 2405042), (8928, 2327460), (9920, 2094714), (11160, 1861968), (11904, 1745595), (13392, 1551640), (14880, 1396476), (16740, 1241312), (17280, 1202521), (17856, 1163730), (19840, 1047357), (22320, 930984), (26784, 775820), (29760, 698238), (33480, 620656), (35712, 581865), (38791, 535680), (44640, 465492), (53568, 387910), (59520, 349119), (66960, 310328), (77582, 267840), (89280, 232746), (107136, 193955), (116373, 178560), (133920, 155164)]