20720503680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1567}}^1$

素因数の和:1757

約数の個数: 256

約数和(自身を含む): 67710504960

約数和(自身を除く): 46990001280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 97, 120, 128, 142, 160, 192, 194, 213, 240, 284, 291, 320, 355, 384, 388, 426, 480, 485, 568, 582, 640, 710, 776, 852, 960, 970, 1065, 1136, 1164, 1420, 1455, 1552, 1567, 1704, 1920, 1940, 2130, 2272, 2328, 2840, 2910, 3104, 3134, 3408, 3880, 4260, 4544, 4656, 4701, 5680, 5820, 6208, 6268, 6816, 6887, 7760, 7835, 8520, 9088, 9312, 9402, 11360, 11640, 12416, 12536, 13632, 13774, 15520, 15670, 17040, 18624, 18804, 20661, 22720, 23280, 23505, 25072, 27264, 27548, 31040, 31340, 34080, 34435, 37248, 37608, 41322, 45440, 46560, 47010, 50144, 55096, 62080, 62680, 68160, 68870, 75216, 82644, 93120, 94020, 100288, 103305, 110192, 111257, 125360, 136320, 137740, 150432, 151999, 165288, 186240, 188040, 200576, 206610, 220384, 222514, 250720, 275480, 300864, 303998, 330576, 333771, 376080, 413220, 440768, 445028, 455997, 501440, 550960, 556285, 601728, 607996, 661152, 667542, 752160, 759995, 826440, 881536, 890056, 911994, 1002880, 1101920, 1112570, 1215992, 1322304, 1335084, 1504320, 1519990, 1652880, 1668855, 1780112, 1823988, 2203840, 2225140, 2279985, 2431984, 2644608, 2670168, 3008640, 3039980, 3305760, 3337710, 3560224, 3647976, 4407680, 4450280, 4559970, 4863968, 5340336, 6079960, 6611520, 6675420, 7120448, 7295952, 8900560, 9119940, 9727936, 10680672, 10791929, 12159920, 13223040, 13350840, 14240896, 14591904, 17801120, 18239880, 19455872, 21361344, 21583858, 24319840, 26701680, 29183808, 32375787, 35602240, 36479760, 42722688, 43167716, 48639680, 53403360, 53959645, 58367616, 64751574, 71204480, 72959520, 86335432, 97279360, 106806720, 107919290, 129503148, 145919040, 161878935, 172670864, 213613440, 215838580, 259006296, 291838080, 323757870, 345341728, 431677160, 518012592, 647515740, 690683456, 863354320, 1036025184, 1295031480, 1381366912, 1726708640, 2072050368, 2590062960, 3453417280, 4144100736, 5180125920, 6906834560, 10360251840, 20720503680]

約数ペア:

[(1, 20720503680), (2, 10360251840), (3, 6906834560), (4, 5180125920), (5, 4144100736), (6, 3453417280), (8, 2590062960), (10, 2072050368), (12, 1726708640), (15, 1381366912), (16, 1295031480), (20, 1036025184), (24, 863354320), (30, 690683456), (32, 647515740), (40, 518012592), (48, 431677160), (60, 345341728), (64, 323757870), (71, 291838080), (80, 259006296), (96, 215838580), (97, 213613440), (120, 172670864), (128, 161878935), (142, 145919040), (160, 129503148), (192, 107919290), (194, 106806720), (213, 97279360), (240, 86335432), (284, 72959520), (291, 71204480), (320, 64751574), (355, 58367616), (384, 53959645), (388, 53403360), (426, 48639680), (480, 43167716), (485, 42722688), (568, 36479760), (582, 35602240), (640, 32375787), (710, 29183808), (776, 26701680), (852, 24319840), (960, 21583858), (970, 21361344), (1065, 19455872), (1136, 18239880), (1164, 17801120), (1420, 14591904), (1455, 14240896), (1552, 13350840), (1567, 13223040), (1704, 12159920), (1920, 10791929), (1940, 10680672), (2130, 9727936), (2272, 9119940), (2328, 8900560), (2840, 7295952), (2910, 7120448), (3104, 6675420), (3134, 6611520), (3408, 6079960), (3880, 5340336), (4260, 4863968), (4544, 4559970), (4656, 4450280), (4701, 4407680), (5680, 3647976), (5820, 3560224), (6208, 3337710), (6268, 3305760), (6816, 3039980), (6887, 3008640), (7760, 2670168), (7835, 2644608), (8520, 2431984), (9088, 2279985), (9312, 2225140), (9402, 2203840), (11360, 1823988), (11640, 1780112), (12416, 1668855), (12536, 1652880), (13632, 1519990), (13774, 1504320), (15520, 1335084), (15670, 1322304), (17040, 1215992), (18624, 1112570), (18804, 1101920), (20661, 1002880), (22720, 911994), (23280, 890056), (23505, 881536), (25072, 826440), (27264, 759995), (27548, 752160), (31040, 667542), (31340, 661152), (34080, 607996), (34435, 601728), (37248, 556285), (37608, 550960), (41322, 501440), (45440, 455997), (46560, 445028), (47010, 440768), (50144, 413220), (55096, 376080), (62080, 333771), (62680, 330576), (68160, 303998), (68870, 300864), (75216, 275480), (82644, 250720), (93120, 222514), (94020, 220384), (100288, 206610), (103305, 200576), (110192, 188040), (111257, 186240), (125360, 165288), (136320, 151999), (137740, 150432)]