20177696640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1289}}^1$

素因数の和:1605

約数の個数: 256

約数和(自身を含む): 66695270400

約数和(自身を除く): 46517573760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 263, 310, 320, 372, 384, 465, 480, 496, 526, 620, 640, 744, 789, 930, 960, 992, 1052, 1240, 1289, 1315, 1488, 1578, 1860, 1920, 1984, 2104, 2480, 2578, 2630, 2976, 3156, 3720, 3867, 3945, 3968, 4208, 4960, 5156, 5260, 5952, 6312, 6445, 7440, 7734, 7890, 8153, 8416, 9920, 10312, 10520, 11904, 12624, 12890, 14880, 15468, 15780, 16306, 16832, 19335, 19840, 20624, 21040, 24459, 25248, 25780, 29760, 30936, 31560, 32612, 33664, 38670, 39959, 40765, 41248, 42080, 48918, 50496, 51560, 59520, 61872, 63120, 65224, 77340, 79918, 81530, 82496, 84160, 97836, 100992, 103120, 119877, 122295, 123744, 126240, 130448, 154680, 159836, 163060, 164992, 168320, 195672, 199795, 206240, 239754, 244590, 247488, 252480, 260896, 309360, 319672, 326120, 339007, 391344, 399590, 412480, 479508, 489180, 494976, 504960, 521792, 599385, 618720, 639344, 652240, 678014, 782688, 799180, 824960, 959016, 978360, 1017021, 1043584, 1198770, 1237440, 1278688, 1304480, 1356028, 1565376, 1598360, 1695035, 1918032, 1956720, 2034042, 2397540, 2474880, 2557376, 2608960, 2712056, 3130752, 3196720, 3390070, 3836064, 3913440, 4068084, 4795080, 5085105, 5114752, 5217920, 5424112, 6393440, 6780140, 7672128, 7826880, 8136168, 9590160, 10170210, 10509217, 10848224, 12786880, 13560280, 15344256, 15653760, 16272336, 19180320, 20340420, 21018434, 21696448, 25573760, 27120560, 31527651, 32544672, 38360640, 40680840, 42036868, 43392896, 52546085, 54241120, 63055302, 65089344, 76721280, 81361680, 84073736, 105092170, 108482240, 126110604, 130178688, 157638255, 162723360, 168147472, 210184340, 216964480, 252221208, 315276510, 325446720, 336294944, 420368680, 504442416, 630553020, 650893440, 672589888, 840737360, 1008884832, 1261106040, 1345179776, 1681474720, 2017769664, 2522212080, 3362949440, 4035539328, 5044424160, 6725898880, 10088848320, 20177696640]

約数ペア:

[(1, 20177696640), (2, 10088848320), (3, 6725898880), (4, 5044424160), (5, 4035539328), (6, 3362949440), (8, 2522212080), (10, 2017769664), (12, 1681474720), (15, 1345179776), (16, 1261106040), (20, 1008884832), (24, 840737360), (30, 672589888), (31, 650893440), (32, 630553020), (40, 504442416), (48, 420368680), (60, 336294944), (62, 325446720), (64, 315276510), (80, 252221208), (93, 216964480), (96, 210184340), (120, 168147472), (124, 162723360), (128, 157638255), (155, 130178688), (160, 126110604), (186, 108482240), (192, 105092170), (240, 84073736), (248, 81361680), (263, 76721280), (310, 65089344), (320, 63055302), (372, 54241120), (384, 52546085), (465, 43392896), (480, 42036868), (496, 40680840), (526, 38360640), (620, 32544672), (640, 31527651), (744, 27120560), (789, 25573760), (930, 21696448), (960, 21018434), (992, 20340420), (1052, 19180320), (1240, 16272336), (1289, 15653760), (1315, 15344256), (1488, 13560280), (1578, 12786880), (1860, 10848224), (1920, 10509217), (1984, 10170210), (2104, 9590160), (2480, 8136168), (2578, 7826880), (2630, 7672128), (2976, 6780140), (3156, 6393440), (3720, 5424112), (3867, 5217920), (3945, 5114752), (3968, 5085105), (4208, 4795080), (4960, 4068084), (5156, 3913440), (5260, 3836064), (5952, 3390070), (6312, 3196720), (6445, 3130752), (7440, 2712056), (7734, 2608960), (7890, 2557376), (8153, 2474880), (8416, 2397540), (9920, 2034042), (10312, 1956720), (10520, 1918032), (11904, 1695035), (12624, 1598360), (12890, 1565376), (14880, 1356028), (15468, 1304480), (15780, 1278688), (16306, 1237440), (16832, 1198770), (19335, 1043584), (19840, 1017021), (20624, 978360), (21040, 959016), (24459, 824960), (25248, 799180), (25780, 782688), (29760, 678014), (30936, 652240), (31560, 639344), (32612, 618720), (33664, 599385), (38670, 521792), (39959, 504960), (40765, 494976), (41248, 489180), (42080, 479508), (48918, 412480), (50496, 399590), (51560, 391344), (59520, 339007), (61872, 326120), (63120, 319672), (65224, 309360), (77340, 260896), (79918, 252480), (81530, 247488), (82496, 244590), (84160, 239754), (97836, 206240), (100992, 199795), (103120, 195672), (119877, 168320), (122295, 164992), (123744, 163060), (126240, 159836), (130448, 154680)]