20180494080

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56509}}^1$

素因数の和:56567

約数の個数: 216

約数和(自身を含む): 72076018560

約数和(自身を除く): 51895524480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1860, 1920, 1984, 2232, 2304, 2480, 2790, 2880, 2976, 3720, 3840, 3968, 4464, 4960, 5580, 5760, 5952, 7440, 7936, 8928, 9920, 11160, 11520, 11904, 14880, 17856, 19840, 22320, 23808, 29760, 35712, 39680, 44640, 56509, 59520, 71424, 89280, 113018, 119040, 169527, 178560, 226036, 282545, 339054, 357120, 452072, 508581, 565090, 678108, 847635, 904144, 1017162, 1130180, 1356216, 1695270, 1751779, 1808288, 2034324, 2260360, 2542905, 2712432, 3390540, 3503558, 3616576, 4068648, 4520720, 5085810, 5255337, 5424864, 6781080, 7007116, 7233152, 8137296, 8758895, 9041440, 10171620, 10510674, 10849728, 13562160, 14014232, 14466304, 15766011, 16274592, 17517790, 18082880, 20343240, 21021348, 21699456, 26276685, 27124320, 28028464, 31532022, 32549184, 35035580, 36165760, 40686480, 42042696, 43398912, 52553370, 54248640, 56056928, 63064044, 65098368, 70071160, 72331520, 78830055, 81372960, 84085392, 105106740, 108497280, 112113856, 126128088, 130196736, 140142320, 157660110, 162745920, 168170784, 210213480, 216994560, 224227712, 252256176, 280284640, 315320220, 325491840, 336341568, 420426960, 448455424, 504512352, 560569280, 630640440, 650983680, 672683136, 840853920, 1009024704, 1121138560, 1261280880, 1345366272, 1681707840, 2018049408, 2242277120, 2522561760, 3363415680, 4036098816, 5045123520, 6726831360, 10090247040, 20180494080]

約数ペア:

[(1, 20180494080), (2, 10090247040), (3, 6726831360), (4, 5045123520), (5, 4036098816), (6, 3363415680), (8, 2522561760), (9, 2242277120), (10, 2018049408), (12, 1681707840), (15, 1345366272), (16, 1261280880), (18, 1121138560), (20, 1009024704), (24, 840853920), (30, 672683136), (31, 650983680), (32, 630640440), (36, 560569280), (40, 504512352), (45, 448455424), (48, 420426960), (60, 336341568), (62, 325491840), (64, 315320220), (72, 280284640), (80, 252256176), (90, 224227712), (93, 216994560), (96, 210213480), (120, 168170784), (124, 162745920), (128, 157660110), (144, 140142320), (155, 130196736), (160, 126128088), (180, 112113856), (186, 108497280), (192, 105106740), (240, 84085392), (248, 81372960), (256, 78830055), (279, 72331520), (288, 70071160), (310, 65098368), (320, 63064044), (360, 56056928), (372, 54248640), (384, 52553370), (465, 43398912), (480, 42042696), (496, 40686480), (558, 36165760), (576, 35035580), (620, 32549184), (640, 31532022), (720, 28028464), (744, 27124320), (768, 26276685), (930, 21699456), (960, 21021348), (992, 20343240), (1116, 18082880), (1152, 17517790), (1240, 16274592), (1280, 15766011), (1395, 14466304), (1440, 14014232), (1488, 13562160), (1860, 10849728), (1920, 10510674), (1984, 10171620), (2232, 9041440), (2304, 8758895), (2480, 8137296), (2790, 7233152), (2880, 7007116), (2976, 6781080), (3720, 5424864), (3840, 5255337), (3968, 5085810), (4464, 4520720), (4960, 4068648), (5580, 3616576), (5760, 3503558), (5952, 3390540), (7440, 2712432), (7936, 2542905), (8928, 2260360), (9920, 2034324), (11160, 1808288), (11520, 1751779), (11904, 1695270), (14880, 1356216), (17856, 1130180), (19840, 1017162), (22320, 904144), (23808, 847635), (29760, 678108), (35712, 565090), (39680, 508581), (44640, 452072), (56509, 357120), (59520, 339054), (71424, 282545), (89280, 226036), (113018, 178560), (119040, 169527)]