20994301440

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{43391}}^1$

素因数の和:43430

約数の個数: 320

約数和(自身を含む): 85228830720

約数和(自身を除く): 64234529280

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, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1536, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2560, 2688, 2880, 3024, 3360, 3456, 3584, 3780, 3840, 4032, 4320, 4480, 4608, 5040, 5376, 5760, 6048, 6720, 6912, 7560, 7680, 8064, 8640, 8960, 10080, 10752, 11520, 12096, 13440, 13824, 15120, 16128, 17280, 17920, 20160, 23040, 24192, 26880, 30240, 32256, 34560, 40320, 43391, 48384, 53760, 60480, 69120, 80640, 86782, 96768, 120960, 130173, 161280, 173564, 216955, 241920, 260346, 303737, 347128, 390519, 433910, 483840, 520692, 607474, 650865, 694256, 781038, 867820, 911211, 1041384, 1171557, 1214948, 1301730, 1388512, 1518685, 1562076, 1735640, 1822422, 1952595, 2082768, 2343114, 2429896, 2603460, 2733633, 2777024, 3037370, 3124152, 3471280, 3644844, 3905190, 4165536, 4556055, 4686228, 4859792, 5206920, 5467266, 5554048, 5857785, 6074740, 6248304, 6942560, 7289688, 7810380, 8200899, 8331072, 9112110, 9372456, 9719584, 10413840, 10934532, 11108096, 11715570, 12149480, 12496608, 13668165, 13885120, 14579376, 15620760, 16401798, 16662144, 18224220, 18744912, 19439168, 20827680, 21869064, 22216192, 23431140, 24298960, 24993216, 27336330, 27770240, 29158752, 31241520, 32803596, 33324288, 36448440, 37489824, 38878336, 41004495, 41655360, 43738128, 46862280, 48597920, 49986432, 54672660, 55540480, 58317504, 62483040, 65607192, 66648576, 72896880, 74979648, 77756672, 82008990, 83310720, 87476256, 93724560, 97195840, 99972864, 109345320, 111080960, 116635008, 124966080, 131214384, 145793760, 149959296, 155513344, 164017980, 166621440, 174952512, 187449120, 194391680, 199945728, 218690640, 233270016, 249932160, 262428768, 291587520, 299918592, 328035960, 333242880, 349905024, 374898240, 388783360, 437381280, 466540032, 499864320, 524857536, 583175040, 599837184, 656071920, 699810048, 749796480, 777566720, 874762560, 999728640, 1049715072, 1166350080, 1312143840, 1399620096, 1499592960, 1749525120, 2099430144, 2332700160, 2624287680, 2999185920, 3499050240, 4198860288, 5248575360, 6998100480, 10497150720, 20994301440]

約数ペア:

[(1, 20994301440), (2, 10497150720), (3, 6998100480), (4, 5248575360), (5, 4198860288), (6, 3499050240), (7, 2999185920), (8, 2624287680), (9, 2332700160), (10, 2099430144), (12, 1749525120), (14, 1499592960), (15, 1399620096), (16, 1312143840), (18, 1166350080), (20, 1049715072), (21, 999728640), (24, 874762560), (27, 777566720), (28, 749796480), (30, 699810048), (32, 656071920), (35, 599837184), (36, 583175040), (40, 524857536), (42, 499864320), (45, 466540032), (48, 437381280), (54, 388783360), (56, 374898240), (60, 349905024), (63, 333242880), (64, 328035960), (70, 299918592), (72, 291587520), (80, 262428768), (84, 249932160), (90, 233270016), (96, 218690640), (105, 199945728), (108, 194391680), (112, 187449120), (120, 174952512), (126, 166621440), (128, 164017980), (135, 155513344), (140, 149959296), (144, 145793760), (160, 131214384), (168, 124966080), (180, 116635008), (189, 111080960), (192, 109345320), (210, 99972864), (216, 97195840), (224, 93724560), (240, 87476256), (252, 83310720), (256, 82008990), (270, 77756672), (280, 74979648), (288, 72896880), (315, 66648576), (320, 65607192), (336, 62483040), (360, 58317504), (378, 55540480), (384, 54672660), (420, 49986432), (432, 48597920), (448, 46862280), (480, 43738128), (504, 41655360), (512, 41004495), (540, 38878336), (560, 37489824), (576, 36448440), (630, 33324288), (640, 32803596), (672, 31241520), (720, 29158752), (756, 27770240), (768, 27336330), (840, 24993216), (864, 24298960), (896, 23431140), (945, 22216192), (960, 21869064), (1008, 20827680), (1080, 19439168), (1120, 18744912), (1152, 18224220), (1260, 16662144), (1280, 16401798), (1344, 15620760), (1440, 14579376), (1512, 13885120), (1536, 13668165), (1680, 12496608), (1728, 12149480), (1792, 11715570), (1890, 11108096), (1920, 10934532), (2016, 10413840), (2160, 9719584), (2240, 9372456), (2304, 9112110), (2520, 8331072), (2560, 8200899), (2688, 7810380), (2880, 7289688), (3024, 6942560), (3360, 6248304), (3456, 6074740), (3584, 5857785), (3780, 5554048), (3840, 5467266), (4032, 5206920), (4320, 4859792), (4480, 4686228), (4608, 4556055), (5040, 4165536), (5376, 3905190), (5760, 3644844), (6048, 3471280), (6720, 3124152), (6912, 3037370), (7560, 2777024), (7680, 2733633), (8064, 2603460), (8640, 2429896), (8960, 2343114), (10080, 2082768), (10752, 1952595), (11520, 1822422), (12096, 1735640), (13440, 1562076), (13824, 1518685), (15120, 1388512), (16128, 1301730), (17280, 1214948), (17920, 1171557), (20160, 1041384), (23040, 911211), (24192, 867820), (26880, 781038), (30240, 694256), (32256, 650865), (34560, 607474), (40320, 520692), (43391, 483840), (48384, 433910), (53760, 390519), (60480, 347128), (69120, 303737), (80640, 260346), (86782, 241920), (96768, 216955), (120960, 173564), (130173, 161280)]