20961037440

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1314

約数の個数: 640

約数和(自身を含む): 87440601600

約数和(自身を除く): 66479564160

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, 47, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 94, 96, 105, 108, 112, 120, 126, 128, 135, 140, 141, 144, 160, 162, 168, 180, 188, 189, 192, 210, 216, 224, 235, 240, 252, 270, 280, 282, 288, 315, 320, 324, 329, 336, 360, 376, 378, 384, 405, 420, 423, 432, 448, 470, 480, 504, 540, 560, 564, 567, 576, 630, 640, 648, 658, 672, 705, 720, 752, 756, 810, 840, 846, 864, 896, 940, 945, 960, 987, 1008, 1080, 1120, 1128, 1134, 1152, 1229, 1260, 1269, 1296, 1316, 1344, 1410, 1440, 1504, 1512, 1620, 1645, 1680, 1692, 1728, 1880, 1890, 1920, 1974, 2016, 2115, 2160, 2240, 2256, 2268, 2458, 2520, 2538, 2592, 2632, 2688, 2820, 2835, 2880, 2961, 3008, 3024, 3240, 3290, 3360, 3384, 3456, 3687, 3760, 3780, 3807, 3948, 4032, 4230, 4320, 4480, 4512, 4536, 4916, 4935, 5040, 5076, 5184, 5264, 5640, 5670, 5760, 5922, 6016, 6048, 6145, 6345, 6480, 6580, 6720, 6768, 7374, 7520, 7560, 7614, 7896, 8064, 8460, 8603, 8640, 8883, 9024, 9072, 9832, 9870, 10080, 10152, 10368, 10528, 11061, 11280, 11340, 11844, 12096, 12290, 12690, 12960, 13160, 13440, 13536, 14748, 14805, 15040, 15120, 15228, 15792, 16920, 17206, 17280, 17766, 18048, 18144, 18435, 19035, 19664, 19740, 20160, 20304, 21056, 22122, 22560, 22680, 23688, 24192, 24580, 25380, 25809, 25920, 26320, 26649, 27072, 29496, 29610, 30080, 30240, 30456, 31584, 33183, 33840, 34412, 35532, 36288, 36870, 38070, 39328, 39480, 40320, 40608, 42112, 43015, 44244, 44415, 45120, 45360, 47376, 49160, 50760, 51618, 51840, 52640, 53298, 54144, 55305, 57763, 58992, 59220, 60480, 60912, 63168, 66366, 67680, 68824, 71064, 72576, 73740, 76140, 77427, 78656, 78960, 81216, 86030, 88488, 88830, 90240, 90720, 94752, 98320, 99549, 101520, 103236, 105280, 106596, 110610, 115526, 117984, 118440, 120960, 121824, 126336, 129045, 132732, 133245, 135360, 137648, 142128, 147480, 152280, 154854, 157312, 157920, 162432, 165915, 172060, 173289, 176976, 177660, 181440, 189504, 196640, 199098, 203040, 206472, 210560, 213192, 221220, 231052, 232281, 235968, 236880, 243648, 258090, 265464, 266490, 270720, 275296, 284256, 288815, 294960, 304560, 309708, 315840, 331830, 344120, 346578, 353952, 355320, 362880, 379008, 387135, 393280, 398196, 404341, 406080, 412944, 426384, 442440, 462104, 464562, 471936, 473760, 487296, 497745, 516180, 519867, 530928, 532980, 550592, 568512, 577630, 589920, 609120, 619416, 631680, 663660, 688240, 693156, 696843, 707904, 710640, 774270, 786560, 796392, 808682, 812160, 825888, 852768, 866445, 884880, 924208, 929124, 947520, 995490, 1032360, 1039734, 1061856, 1065960, 1101184, 1137024, 1155260, 1161405, 1179840, 1213023, 1218240, 1238832, 1327320, 1376480, 1386312, 1393686, 1415808, 1421280, 1548540, 1559601, 1592784, 1617364, 1651776, 1705536, 1732890, 1769760, 1848416, 1858248, 1895040, 1990980, 2021705, 2064720, 2079468, 2123712, 2131920, 2310520, 2322810, 2359680, 2426046, 2436480, 2477664, 2599335, 2654640, 2752960, 2772624, 2787372, 2842560, 3097080, 3119202, 3185568, 3234728, 3303552, 3411072, 3465780, 3484215, 3539520, 3639069, 3696832, 3716496, 3981960, 4043410, 4129440, 4158936, 4247424, 4263840, 4621040, 4645620, 4678803, 4852092, 4955328, 5198670, 5309280, 5505920, 5545248, 5574744, 5685120, 6065115, 6194160, 6238404, 6371136, 6469456, 6931560, 6968430, 7079040, 7278138, 7393664, 7432992, 7798005, 7963920, 8086820, 8258880, 8317872, 8527680, 9242080, 9291240, 9357606, 9704184, 9910656, 10397340, 10618560, 10917207, 11090496, 11149488, 12130230, 12388320, 12476808, 12742272, 12938912, 13863120, 13936860, 14556276, 14865984, 15596010, 15927840, 16173640, 16517760, 16635744, 17055360, 18195345, 18484160, 18582480, 18715212, 19408368, 20794680, 21237120, 21834414, 22180992, 22298976, 23394015, 24260460, 24776640, 24953616, 25877824, 27726240, 27873720, 29112552, 29731968, 31192020, 31855680, 32347280, 32751621, 33271488, 36390690, 36968320, 37164960, 37430424, 38816736, 41589360, 43668828, 44597952, 46788030, 48520920, 49553280, 49907232, 51755648, 54586035, 55452480, 55747440, 58225104, 62384040, 63711360, 64694560, 65503242, 66542976, 72781380, 74329920, 74860848, 77633472, 83178720, 87337656, 89195904, 93576060, 97041840, 99814464, 109172070, 110904960, 111494880, 116450208, 124768080, 129389120, 131006484, 145562760, 148659840, 149721696, 155266944, 163758105, 166357440, 174675312, 187152120, 194083680, 199628928, 218344140, 222989760, 232900416, 249536160, 258778240, 262012968, 291125520, 299443392, 327516210, 332714880, 349350624, 374304240, 388167360, 436688280, 445979520, 465800832, 499072320, 524025936, 582251040, 598886784, 655032420, 698701248, 748608480, 776334720, 873376560, 998144640, 1048051872, 1164502080, 1310064840, 1397402496, 1497216960, 1746753120, 2096103744, 2329004160, 2620129680, 2994433920, 3493506240, 4192207488, 5240259360, 6987012480, 10480518720, 20961037440]

約数ペア:

[(1, 20961037440), (2, 10480518720), (3, 6987012480), (4, 5240259360), (5, 4192207488), (6, 3493506240), (7, 2994433920), (8, 2620129680), (9, 2329004160), (10, 2096103744), (12, 1746753120), (14, 1497216960), (15, 1397402496), (16, 1310064840), (18, 1164502080), (20, 1048051872), (21, 998144640), (24, 873376560), (27, 776334720), (28, 748608480), (30, 698701248), (32, 655032420), (35, 598886784), (36, 582251040), (40, 524025936), (42, 499072320), (45, 465800832), (47, 445979520), (48, 436688280), (54, 388167360), (56, 374304240), (60, 349350624), (63, 332714880), (64, 327516210), (70, 299443392), (72, 291125520), (80, 262012968), (81, 258778240), (84, 249536160), (90, 232900416), (94, 222989760), (96, 218344140), (105, 199628928), (108, 194083680), (112, 187152120), (120, 174675312), (126, 166357440), (128, 163758105), (135, 155266944), (140, 149721696), (141, 148659840), (144, 145562760), (160, 131006484), (162, 129389120), (168, 124768080), (180, 116450208), (188, 111494880), (189, 110904960), (192, 109172070), (210, 99814464), (216, 97041840), (224, 93576060), (235, 89195904), (240, 87337656), (252, 83178720), (270, 77633472), (280, 74860848), (282, 74329920), (288, 72781380), (315, 66542976), (320, 65503242), (324, 64694560), (329, 63711360), (336, 62384040), (360, 58225104), (376, 55747440), (378, 55452480), (384, 54586035), (405, 51755648), (420, 49907232), (423, 49553280), (432, 48520920), (448, 46788030), (470, 44597952), (480, 43668828), (504, 41589360), (540, 38816736), (560, 37430424), (564, 37164960), (567, 36968320), (576, 36390690), (630, 33271488), (640, 32751621), (648, 32347280), (658, 31855680), (672, 31192020), (705, 29731968), (720, 29112552), (752, 27873720), (756, 27726240), (810, 25877824), (840, 24953616), (846, 24776640), (864, 24260460), (896, 23394015), (940, 22298976), (945, 22180992), (960, 21834414), (987, 21237120), (1008, 20794680), (1080, 19408368), (1120, 18715212), (1128, 18582480), (1134, 18484160), (1152, 18195345), (1229, 17055360), (1260, 16635744), (1269, 16517760), (1296, 16173640), (1316, 15927840), (1344, 15596010), (1410, 14865984), (1440, 14556276), (1504, 13936860), (1512, 13863120), (1620, 12938912), (1645, 12742272), (1680, 12476808), (1692, 12388320), (1728, 12130230), (1880, 11149488), (1890, 11090496), (1920, 10917207), (1974, 10618560), (2016, 10397340), (2115, 9910656), (2160, 9704184), (2240, 9357606), (2256, 9291240), (2268, 9242080), (2458, 8527680), (2520, 8317872), (2538, 8258880), (2592, 8086820), (2632, 7963920), (2688, 7798005), (2820, 7432992), (2835, 7393664), (2880, 7278138), (2961, 7079040), (3008, 6968430), (3024, 6931560), (3240, 6469456), (3290, 6371136), (3360, 6238404), (3384, 6194160), (3456, 6065115), (3687, 5685120), (3760, 5574744), (3780, 5545248), (3807, 5505920), (3948, 5309280), (4032, 5198670), (4230, 4955328), (4320, 4852092), (4480, 4678803), (4512, 4645620), (4536, 4621040), (4916, 4263840), (4935, 4247424), (5040, 4158936), (5076, 4129440), (5184, 4043410), (5264, 3981960), (5640, 3716496), (5670, 3696832), (5760, 3639069), (5922, 3539520), (6016, 3484215), (6048, 3465780), (6145, 3411072), (6345, 3303552), (6480, 3234728), (6580, 3185568), (6720, 3119202), (6768, 3097080), (7374, 2842560), (7520, 2787372), (7560, 2772624), (7614, 2752960), (7896, 2654640), (8064, 2599335), (8460, 2477664), (8603, 2436480), (8640, 2426046), (8883, 2359680), (9024, 2322810), (9072, 2310520), (9832, 2131920), (9870, 2123712), (10080, 2079468), (10152, 2064720), (10368, 2021705), (10528, 1990980), (11061, 1895040), (11280, 1858248), (11340, 1848416), (11844, 1769760), (12096, 1732890), (12290, 1705536), (12690, 1651776), (12960, 1617364), (13160, 1592784), (13440, 1559601), (13536, 1548540), (14748, 1421280), (14805, 1415808), (15040, 1393686), (15120, 1386312), (15228, 1376480), (15792, 1327320), (16920, 1238832), (17206, 1218240), (17280, 1213023), (17766, 1179840), (18048, 1161405), (18144, 1155260), (18435, 1137024), (19035, 1101184), (19664, 1065960), (19740, 1061856), (20160, 1039734), (20304, 1032360), (21056, 995490), (22122, 947520), (22560, 929124), (22680, 924208), (23688, 884880), (24192, 866445), (24580, 852768), (25380, 825888), (25809, 812160), (25920, 808682), (26320, 796392), (26649, 786560), (27072, 774270), (29496, 710640), (29610, 707904), (30080, 696843), (30240, 693156), (30456, 688240), (31584, 663660), (33183, 631680), (33840, 619416), (34412, 609120), (35532, 589920), (36288, 577630), (36870, 568512), (38070, 550592), (39328, 532980), (39480, 530928), (40320, 519867), (40608, 516180), (42112, 497745), (43015, 487296), (44244, 473760), (44415, 471936), (45120, 464562), (45360, 462104), (47376, 442440), (49160, 426384), (50760, 412944), (51618, 406080), (51840, 404341), (52640, 398196), (53298, 393280), (54144, 387135), (55305, 379008), (57763, 362880), (58992, 355320), (59220, 353952), (60480, 346578), (60912, 344120), (63168, 331830), (66366, 315840), (67680, 309708), (68824, 304560), (71064, 294960), (72576, 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