20801184480

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71867}}^1$

素因数の和:71958

約数の個数: 192

約数和(自身を含む): 73891802880

約数和(自身を除く): 53090618400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 67, 72, 80, 90, 96, 108, 120, 134, 135, 144, 160, 180, 201, 216, 240, 268, 270, 288, 335, 360, 402, 432, 480, 536, 540, 603, 670, 720, 804, 864, 1005, 1072, 1080, 1206, 1340, 1440, 1608, 1809, 2010, 2144, 2160, 2412, 2680, 3015, 3216, 3618, 4020, 4320, 4824, 5360, 6030, 6432, 7236, 8040, 9045, 9648, 10720, 12060, 14472, 16080, 18090, 19296, 24120, 28944, 32160, 36180, 48240, 57888, 71867, 72360, 96480, 143734, 144720, 215601, 287468, 289440, 359335, 431202, 574936, 646803, 718670, 862404, 1078005, 1149872, 1293606, 1437340, 1724808, 1940409, 2156010, 2299744, 2587212, 2874680, 3234015, 3449616, 3880818, 4312020, 4815089, 5174424, 5749360, 6468030, 6899232, 7761636, 8624040, 9630178, 9702045, 10348848, 11498720, 12936060, 14445267, 15523272, 17248080, 19260356, 19404090, 20697696, 24075445, 25872120, 28890534, 31046544, 34496160, 38520712, 38808180, 43335801, 48150890, 51744240, 57781068, 62093088, 72226335, 77041424, 77616360, 86671602, 96301780, 103488480, 115562136, 130007403, 144452670, 154082848, 155232720, 173343204, 192603560, 216679005, 231124272, 260014806, 288905340, 310465440, 346686408, 385207120, 433358010, 462248544, 520029612, 577810680, 650037015, 693372816, 770414240, 866716020, 1040059224, 1155621360, 1300074030, 1386745632, 1733432040, 2080118448, 2311242720, 2600148060, 3466864080, 4160236896, 5200296120, 6933728160, 10400592240, 20801184480]

約数ペア:

[(1, 20801184480), (2, 10400592240), (3, 6933728160), (4, 5200296120), (5, 4160236896), (6, 3466864080), (8, 2600148060), (9, 2311242720), (10, 2080118448), (12, 1733432040), (15, 1386745632), (16, 1300074030), (18, 1155621360), (20, 1040059224), (24, 866716020), (27, 770414240), (30, 693372816), (32, 650037015), (36, 577810680), (40, 520029612), (45, 462248544), (48, 433358010), (54, 385207120), (60, 346686408), (67, 310465440), (72, 288905340), (80, 260014806), (90, 231124272), (96, 216679005), (108, 192603560), (120, 173343204), (134, 155232720), (135, 154082848), (144, 144452670), (160, 130007403), (180, 115562136), (201, 103488480), (216, 96301780), (240, 86671602), (268, 77616360), (270, 77041424), (288, 72226335), (335, 62093088), (360, 57781068), (402, 51744240), (432, 48150890), (480, 43335801), (536, 38808180), (540, 38520712), (603, 34496160), (670, 31046544), (720, 28890534), (804, 25872120), (864, 24075445), (1005, 20697696), (1072, 19404090), (1080, 19260356), (1206, 17248080), (1340, 15523272), (1440, 14445267), (1608, 12936060), (1809, 11498720), (2010, 10348848), (2144, 9702045), (2160, 9630178), (2412, 8624040), (2680, 7761636), (3015, 6899232), (3216, 6468030), (3618, 5749360), (4020, 5174424), (4320, 4815089), (4824, 4312020), (5360, 3880818), (6030, 3449616), (6432, 3234015), (7236, 2874680), (8040, 2587212), (9045, 2299744), (9648, 2156010), (10720, 1940409), (12060, 1724808), (14472, 1437340), (16080, 1293606), (18090, 1149872), (19296, 1078005), (24120, 862404), (28944, 718670), (32160, 646803), (36180, 574936), (48240, 431202), (57888, 359335), (71867, 289440), (72360, 287468), (96480, 215601), (143734, 144720)]