20972471520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43649}}^1$

素因数の和:43698

約数の個数: 384

約数和(自身を含む): 88702387200

約数和(自身を除く): 67729915680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 96, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 160, 165, 168, 176, 182, 195, 208, 210, 220, 224, 231, 240, 260, 264, 273, 280, 286, 308, 312, 330, 336, 352, 364, 385, 390, 416, 420, 429, 440, 455, 462, 480, 520, 528, 546, 560, 572, 616, 624, 660, 672, 715, 728, 770, 780, 840, 858, 880, 910, 924, 1001, 1040, 1056, 1092, 1120, 1144, 1155, 1232, 1248, 1320, 1365, 1430, 1456, 1540, 1560, 1680, 1716, 1760, 1820, 1848, 2002, 2080, 2145, 2184, 2288, 2310, 2464, 2640, 2730, 2860, 2912, 3003, 3080, 3120, 3360, 3432, 3640, 3696, 4004, 4290, 4368, 4576, 4620, 5005, 5280, 5460, 5720, 6006, 6160, 6240, 6864, 7280, 7392, 8008, 8580, 8736, 9240, 10010, 10920, 11440, 12012, 12320, 13728, 14560, 15015, 16016, 17160, 18480, 20020, 21840, 22880, 24024, 30030, 32032, 34320, 36960, 40040, 43649, 43680, 48048, 60060, 68640, 80080, 87298, 96096, 120120, 130947, 160160, 174596, 218245, 240240, 261894, 305543, 349192, 436490, 480139, 480480, 523788, 567437, 611086, 654735, 698384, 872980, 916629, 960278, 1047576, 1134874, 1222172, 1309470, 1396768, 1440417, 1527715, 1702311, 1745960, 1833258, 1920556, 2095152, 2269748, 2400695, 2444344, 2618940, 2837185, 2880834, 3055430, 3360973, 3404622, 3491920, 3666516, 3841112, 3972059, 4190304, 4539496, 4583145, 4801390, 4888688, 5237880, 5674370, 5761668, 6110860, 6241807, 6721946, 6809244, 6983840, 7202085, 7333032, 7682224, 7944118, 8511555, 9078992, 9166290, 9602780, 9777376, 10082919, 10475760, 11348740, 11523336, 11916177, 12221720, 12483614, 13443892, 13618488, 14404170, 14666064, 15364448, 15888236, 16804865, 17023110, 18157984, 18332580, 18725421, 19205560, 19860295, 20165838, 20951520, 22697480, 23046672, 23832354, 24443440, 24967228, 26887784, 27236976, 28808340, 29332128, 31209035, 31776472, 33609730, 34046220, 36665160, 37450842, 38411120, 39720590, 40331676, 43692649, 45394960, 46093344, 47664708, 48886880, 49934456, 50414595, 53775568, 54473952, 57616680, 59580885, 62418070, 63552944, 67219460, 68092440, 73330320, 74901684, 76822240, 79441180, 80663352, 87385298, 90789920, 93627105, 95329416, 99868912, 100829190, 107551136, 115233360, 119161770, 124836140, 127105888, 131077947, 134438920, 136184880, 146660640, 149803368, 158882360, 161326704, 174770596, 187254210, 190658832, 199737824, 201658380, 218463245, 230466720, 238323540, 249672280, 262155894, 268877840, 272369760, 299606736, 317764720, 322653408, 349541192, 374508420, 381317664, 403316760, 436926490, 476647080, 499344560, 524311788, 537755680, 599213472, 635529440, 655389735, 699082384, 749016840, 806633520, 873852980, 953294160, 998689120, 1048623576, 1310779470, 1398164768, 1498033680, 1613267040, 1747705960, 1906588320, 2097247152, 2621558940, 2996067360, 3495411920, 4194494304, 5243117880, 6990823840, 10486235760, 20972471520]

約数ペア:

[(1, 20972471520), (2, 10486235760), (3, 6990823840), (4, 5243117880), (5, 4194494304), (6, 3495411920), (7, 2996067360), (8, 2621558940), (10, 2097247152), (11, 1906588320), (12, 1747705960), (13, 1613267040), (14, 1498033680), (15, 1398164768), (16, 1310779470), (20, 1048623576), (21, 998689120), (22, 953294160), (24, 873852980), (26, 806633520), (28, 749016840), (30, 699082384), (32, 655389735), (33, 635529440), (35, 599213472), (39, 537755680), (40, 524311788), (42, 499344560), (44, 476647080), (48, 436926490), (52, 403316760), (55, 381317664), (56, 374508420), (60, 349541192), (65, 322653408), (66, 317764720), (70, 299606736), (77, 272369760), (78, 268877840), (80, 262155894), (84, 249672280), (88, 238323540), (91, 230466720), (96, 218463245), (104, 201658380), (105, 199737824), (110, 190658832), (112, 187254210), (120, 174770596), (130, 161326704), (132, 158882360), (140, 149803368), (143, 146660640), (154, 136184880), (156, 134438920), (160, 131077947), (165, 127105888), (168, 124836140), (176, 119161770), (182, 115233360), (195, 107551136), (208, 100829190), (210, 99868912), (220, 95329416), (224, 93627105), (231, 90789920), (240, 87385298), (260, 80663352), (264, 79441180), (273, 76822240), (280, 74901684), (286, 73330320), (308, 68092440), (312, 67219460), (330, 63552944), (336, 62418070), (352, 59580885), (364, 57616680), (385, 54473952), (390, 53775568), (416, 50414595), (420, 49934456), (429, 48886880), (440, 47664708), (455, 46093344), (462, 45394960), (480, 43692649), (520, 40331676), (528, 39720590), (546, 38411120), (560, 37450842), (572, 36665160), (616, 34046220), (624, 33609730), (660, 31776472), (672, 31209035), (715, 29332128), (728, 28808340), (770, 27236976), (780, 26887784), (840, 24967228), (858, 24443440), (880, 23832354), (910, 23046672), (924, 22697480), (1001, 20951520), (1040, 20165838), (1056, 19860295), (1092, 19205560), (1120, 18725421), (1144, 18332580), (1155, 18157984), (1232, 17023110), (1248, 16804865), (1320, 15888236), (1365, 15364448), (1430, 14666064), (1456, 14404170), (1540, 13618488), (1560, 13443892), (1680, 12483614), (1716, 12221720), (1760, 11916177), (1820, 11523336), (1848, 11348740), (2002, 10475760), (2080, 10082919), (2145, 9777376), (2184, 9602780), (2288, 9166290), (2310, 9078992), (2464, 8511555), (2640, 7944118), (2730, 7682224), (2860, 7333032), (2912, 7202085), (3003, 6983840), (3080, 6809244), (3120, 6721946), (3360, 6241807), (3432, 6110860), (3640, 5761668), (3696, 5674370), (4004, 5237880), (4290, 4888688), (4368, 4801390), (4576, 4583145), (4620, 4539496), (5005, 4190304), (5280, 3972059), (5460, 3841112), (5720, 3666516), (6006, 3491920), (6160, 3404622), (6240, 3360973), (6864, 3055430), (7280, 2880834), (7392, 2837185), (8008, 2618940), (8580, 2444344), (8736, 2400695), (9240, 2269748), (10010, 2095152), (10920, 1920556), (11440, 1833258), (12012, 1745960), (12320, 1702311), (13728, 1527715), (14560, 1440417), (15015, 1396768), (16016, 1309470), (17160, 1222172), (18480, 1134874), (20020, 1047576), (21840, 960278), (22880, 916629), (24024, 872980), (30030, 698384), (32032, 654735), (34320, 611086), (36960, 567437), (40040, 523788), (43649, 480480), (43680, 480139), (48048, 436490), (60060, 349192), (68640, 305543), (80080, 261894), (87298, 240240), (96096, 218245), (120120, 174596), (130947, 160160)]