20808869760

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{172031}}^1$

素因数の和:172066

約数の個数: 256

約数和(自身を含む): 84226867200

約数和(自身を除く): 63417997440

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 172031, 344062, 516093, 688124, 860155, 1032186, 1204217, 1376248, 1548279, 1720310, 2064372, 2408434, 2580465, 2752496, 3096558, 3440620, 3612651, 4128744, 4644837, 4816868, 5160930, 5504992, 6021085, 6193116, 6881240, 7225302, 7741395, 8257488, 9289674, 9633736, 10321860, 10837953, 11009984, 12042170, 12386232, 13762480, 14450604, 15482790, 16514976, 18063255, 18579348, 19267472, 20643720, 21675906, 22019968, 23224185, 24084340, 24772464, 27524960, 28901208, 30965580, 32513859, 33029952, 36126510, 37158696, 38534944, 41287440, 43351812, 46448370, 48168680, 49544928, 54189765, 55049920, 57802416, 61931160, 65027718, 66059904, 72253020, 74317392, 77069888, 82574880, 86703624, 92896740, 96337360, 99089856, 108379530, 110099840, 115604832, 123862320, 130055436, 144506040, 148634784, 154139776, 162569295, 165149760, 173407248, 185793480, 192674720, 198179712, 216759060, 231209664, 247724640, 260110872, 289012080, 297269568, 325138590, 330299520, 346814496, 371586960, 385349440, 433518120, 462419328, 495449280, 520221744, 578024160, 594539136, 650277180, 693628992, 743173920, 770698880, 867036240, 990898560, 1040443488, 1156048320, 1300554360, 1387257984, 1486347840, 1734072480, 2080886976, 2312096640, 2601108720, 2972695680, 3468144960, 4161773952, 5202217440, 6936289920, 10404434880, 20808869760]

約数ペア:

[(1, 20808869760), (2, 10404434880), (3, 6936289920), (4, 5202217440), (5, 4161773952), (6, 3468144960), (7, 2972695680), (8, 2601108720), (9, 2312096640), (10, 2080886976), (12, 1734072480), (14, 1486347840), (15, 1387257984), (16, 1300554360), (18, 1156048320), (20, 1040443488), (21, 990898560), (24, 867036240), (27, 770698880), (28, 743173920), (30, 693628992), (32, 650277180), (35, 594539136), (36, 578024160), (40, 520221744), (42, 495449280), (45, 462419328), (48, 433518120), (54, 385349440), (56, 371586960), (60, 346814496), (63, 330299520), (64, 325138590), (70, 297269568), (72, 289012080), (80, 260110872), (84, 247724640), (90, 231209664), (96, 216759060), (105, 198179712), (108, 192674720), (112, 185793480), (120, 173407248), (126, 165149760), (128, 162569295), (135, 154139776), (140, 148634784), (144, 144506040), (160, 130055436), (168, 123862320), (180, 115604832), (189, 110099840), (192, 108379530), (210, 99089856), (216, 96337360), (224, 92896740), (240, 86703624), (252, 82574880), (270, 77069888), (280, 74317392), (288, 72253020), (315, 66059904), (320, 65027718), (336, 61931160), (360, 57802416), (378, 55049920), (384, 54189765), (420, 49544928), (432, 48168680), (448, 46448370), (480, 43351812), (504, 41287440), (540, 38534944), (560, 37158696), (576, 36126510), (630, 33029952), (640, 32513859), (672, 30965580), (720, 28901208), (756, 27524960), (840, 24772464), (864, 24084340), (896, 23224185), (945, 22019968), (960, 21675906), (1008, 20643720), (1080, 19267472), (1120, 18579348), (1152, 18063255), (1260, 16514976), (1344, 15482790), (1440, 14450604), (1512, 13762480), (1680, 12386232), (1728, 12042170), (1890, 11009984), (1920, 10837953), (2016, 10321860), (2160, 9633736), (2240, 9289674), (2520, 8257488), (2688, 7741395), (2880, 7225302), (3024, 6881240), (3360, 6193116), (3456, 6021085), (3780, 5504992), (4032, 5160930), (4320, 4816868), (4480, 4644837), (5040, 4128744), (5760, 3612651), (6048, 3440620), (6720, 3096558), (7560, 2752496), (8064, 2580465), (8640, 2408434), (10080, 2064372), (12096, 1720310), (13440, 1548279), (15120, 1376248), (17280, 1204217), (20160, 1032186), (24192, 860155), (30240, 688124), (40320, 516093), (60480, 344062), (120960, 172031)]