20931492960

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9749}}^1$

素因数の和:9851

約数の個数: 384

約数和(自身を含む): 84913920000

約数和(自身を除く): 63982427040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 71, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 142, 144, 160, 168, 180, 189, 210, 213, 216, 224, 240, 252, 270, 280, 284, 288, 315, 336, 355, 360, 378, 420, 426, 432, 480, 497, 504, 540, 560, 568, 630, 639, 672, 710, 720, 756, 840, 852, 864, 945, 994, 1008, 1065, 1080, 1120, 1136, 1260, 1278, 1420, 1440, 1491, 1512, 1680, 1704, 1890, 1917, 1988, 2016, 2130, 2160, 2272, 2485, 2520, 2556, 2840, 2982, 3024, 3195, 3360, 3408, 3780, 3834, 3976, 4260, 4320, 4473, 4970, 5040, 5112, 5680, 5964, 6048, 6390, 6816, 7455, 7560, 7668, 7952, 8520, 8946, 9585, 9749, 9940, 10080, 10224, 11360, 11928, 12780, 13419, 14910, 15120, 15336, 15904, 17040, 17892, 19170, 19498, 19880, 20448, 22365, 23856, 25560, 26838, 29247, 29820, 30240, 30672, 34080, 35784, 38340, 38996, 39760, 44730, 47712, 48745, 51120, 53676, 58494, 59640, 61344, 67095, 68243, 71568, 76680, 77992, 79520, 87741, 89460, 97490, 102240, 107352, 116988, 119280, 134190, 136486, 143136, 146235, 153360, 155984, 175482, 178920, 194980, 204729, 214704, 233976, 238560, 263223, 268380, 272972, 292470, 306720, 311968, 341215, 350964, 357840, 389960, 409458, 429408, 438705, 467952, 526446, 536760, 545944, 584940, 614187, 682430, 692179, 701928, 715680, 779920, 818916, 877410, 935904, 1023645, 1052892, 1073520, 1091888, 1169880, 1228374, 1316115, 1364860, 1384358, 1403856, 1559840, 1637832, 1754820, 1842561, 2047290, 2076537, 2105784, 2147040, 2183776, 2339760, 2456748, 2632230, 2729720, 2768716, 2807712, 3070935, 3275664, 3460895, 3509640, 3685122, 4094580, 4153074, 4211568, 4679520, 4845253, 4913496, 5264460, 5459440, 5537432, 6141870, 6229611, 6551328, 6921790, 7019280, 7370244, 8189160, 8306148, 8423136, 9212805, 9690506, 9826992, 10382685, 10528920, 10918880, 11074864, 12283740, 12459222, 13843580, 14038560, 14535759, 14740488, 16378320, 16612296, 18425610, 18688833, 19381012, 19653984, 20765370, 21057840, 22149728, 24226265, 24567480, 24918444, 27687160, 29071518, 29480976, 31148055, 32756640, 33224592, 36851220, 37377666, 38762024, 41530740, 42115680, 43607277, 48452530, 49134960, 49836888, 55374320, 58143036, 58961952, 62296110, 66449184, 72678795, 73702440, 74755332, 77524048, 83061480, 87214554, 93444165, 96905060, 98269920, 99673776, 110748640, 116286072, 124592220, 130821831, 145357590, 147404880, 149510664, 155048096, 166122960, 174429108, 186888330, 193810120, 199347552, 218036385, 232572144, 249184440, 261643662, 290715180, 294809760, 299021328, 332245920, 348858216, 373776660, 387620240, 436072770, 465144288, 498368880, 523287324, 581430360, 598042656, 654109155, 697716432, 747553320, 775240480, 872145540, 996737760, 1046574648, 1162860720, 1308218310, 1395432864, 1495106640, 1744291080, 2093149296, 2325721440, 2616436620, 2990213280, 3488582160, 4186298592, 5232873240, 6977164320, 10465746480, 20931492960]

約数ペア:

[(1, 20931492960), (2, 10465746480), (3, 6977164320), (4, 5232873240), (5, 4186298592), (6, 3488582160), (7, 2990213280), (8, 2616436620), (9, 2325721440), (10, 2093149296), (12, 1744291080), (14, 1495106640), (15, 1395432864), (16, 1308218310), (18, 1162860720), (20, 1046574648), (21, 996737760), (24, 872145540), (27, 775240480), (28, 747553320), (30, 697716432), (32, 654109155), (35, 598042656), (36, 581430360), (40, 523287324), (42, 498368880), (45, 465144288), (48, 436072770), (54, 387620240), (56, 373776660), (60, 348858216), (63, 332245920), (70, 299021328), (71, 294809760), (72, 290715180), (80, 261643662), (84, 249184440), (90, 232572144), (96, 218036385), (105, 199347552), (108, 193810120), (112, 186888330), (120, 174429108), (126, 166122960), (135, 155048096), (140, 149510664), (142, 147404880), (144, 145357590), (160, 130821831), (168, 124592220), (180, 116286072), (189, 110748640), (210, 99673776), (213, 98269920), (216, 96905060), (224, 93444165), (240, 87214554), (252, 83061480), (270, 77524048), (280, 74755332), (284, 73702440), (288, 72678795), (315, 66449184), (336, 62296110), (355, 58961952), (360, 58143036), (378, 55374320), (420, 49836888), (426, 49134960), (432, 48452530), (480, 43607277), (497, 42115680), (504, 41530740), (540, 38762024), (560, 37377666), (568, 36851220), (630, 33224592), (639, 32756640), (672, 31148055), (710, 29480976), (720, 29071518), (756, 27687160), (840, 24918444), (852, 24567480), (864, 24226265), (945, 22149728), (994, 21057840), (1008, 20765370), (1065, 19653984), (1080, 19381012), (1120, 18688833), (1136, 18425610), (1260, 16612296), (1278, 16378320), (1420, 14740488), (1440, 14535759), (1491, 14038560), (1512, 13843580), (1680, 12459222), (1704, 12283740), (1890, 11074864), (1917, 10918880), (1988, 10528920), (2016, 10382685), (2130, 9826992), (2160, 9690506), (2272, 9212805), (2485, 8423136), (2520, 8306148), (2556, 8189160), (2840, 7370244), (2982, 7019280), (3024, 6921790), (3195, 6551328), (3360, 6229611), (3408, 6141870), (3780, 5537432), (3834, 5459440), (3976, 5264460), (4260, 4913496), (4320, 4845253), (4473, 4679520), (4970, 4211568), (5040, 4153074), (5112, 4094580), (5680, 3685122), (5964, 3509640), (6048, 3460895), (6390, 3275664), (6816, 3070935), (7455, 2807712), (7560, 2768716), (7668, 2729720), (7952, 2632230), (8520, 2456748), (8946, 2339760), (9585, 2183776), (9749, 2147040), (9940, 2105784), (10080, 2076537), (10224, 2047290), (11360, 1842561), (11928, 1754820), (12780, 1637832), (13419, 1559840), (14910, 1403856), (15120, 1384358), (15336, 1364860), (15904, 1316115), (17040, 1228374), (17892, 1169880), (19170, 1091888), (19498, 1073520), (19880, 1052892), (20448, 1023645), (22365, 935904), (23856, 877410), (25560, 818916), (26838, 779920), (29247, 715680), (29820, 701928), (30240, 692179), (30672, 682430), (34080, 614187), (35784, 584940), (38340, 545944), (38996, 536760), (39760, 526446), (44730, 467952), (47712, 438705), (48745, 429408), (51120, 409458), (53676, 389960), (58494, 357840), (59640, 350964), (61344, 341215), (67095, 311968), (68243, 306720), (71568, 292470), (76680, 272972), (77992, 268380), (79520, 263223), (87741, 238560), (89460, 233976), (97490, 214704), (102240, 204729), (107352, 194980), (116988, 178920), (119280, 175482), (134190, 155984), (136486, 153360), (143136, 146235)]