20285948160

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{4721}}^1$

素因数の和:5121

約数の個数: 216

約数和(自身を含む): 70390344024

約数和(自身を除く): 50104395864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 373, 384, 480, 576, 640, 720, 746, 768, 960, 1119, 1152, 1280, 1440, 1492, 1865, 1920, 2238, 2304, 2880, 2984, 3357, 3730, 3840, 4476, 4721, 5595, 5760, 5968, 6714, 7460, 8952, 9442, 11190, 11520, 11936, 13428, 14163, 14920, 16785, 17904, 18884, 22380, 23605, 23872, 26856, 28326, 29840, 33570, 35808, 37768, 42489, 44760, 47210, 47744, 53712, 56652, 59680, 67140, 70815, 71616, 75536, 84978, 89520, 94420, 95488, 107424, 113304, 119360, 134280, 141630, 143232, 151072, 169956, 179040, 188840, 212445, 214848, 226608, 238720, 268560, 283260, 286464, 302144, 339912, 358080, 377680, 424890, 429696, 453216, 477440, 537120, 566520, 604288, 679824, 716160, 755360, 849780, 859392, 906432, 1074240, 1133040, 1208576, 1359648, 1432320, 1510720, 1699560, 1760933, 1812864, 2148480, 2266080, 2719296, 3021440, 3399120, 3521866, 3625728, 4296960, 4532160, 5282799, 5438592, 6042880, 6798240, 7043732, 8804665, 9064320, 10565598, 10877184, 13596480, 14087464, 15848397, 17609330, 18128640, 21131196, 26413995, 27192960, 28174928, 31696794, 35218660, 42262392, 52827990, 54385920, 56349856, 63393588, 70437320, 79241985, 84524784, 105655980, 112699712, 126787176, 140874640, 158483970, 169049568, 211311960, 225399424, 253574352, 281749280, 316967940, 338099136, 422623920, 450798848, 507148704, 563498560, 633935880, 676198272, 845247840, 1014297408, 1126997120, 1267871760, 1352396544, 1690495680, 2028594816, 2253994240, 2535743520, 3380991360, 4057189632, 5071487040, 6761982720, 10142974080, 20285948160]

約数ペア:

[(1, 20285948160), (2, 10142974080), (3, 6761982720), (4, 5071487040), (5, 4057189632), (6, 3380991360), (8, 2535743520), (9, 2253994240), (10, 2028594816), (12, 1690495680), (15, 1352396544), (16, 1267871760), (18, 1126997120), (20, 1014297408), (24, 845247840), (30, 676198272), (32, 633935880), (36, 563498560), (40, 507148704), (45, 450798848), (48, 422623920), (60, 338099136), (64, 316967940), (72, 281749280), (80, 253574352), (90, 225399424), (96, 211311960), (120, 169049568), (128, 158483970), (144, 140874640), (160, 126787176), (180, 112699712), (192, 105655980), (240, 84524784), (256, 79241985), (288, 70437320), (320, 63393588), (360, 56349856), (373, 54385920), (384, 52827990), (480, 42262392), (576, 35218660), (640, 31696794), (720, 28174928), (746, 27192960), (768, 26413995), (960, 21131196), (1119, 18128640), (1152, 17609330), (1280, 15848397), (1440, 14087464), (1492, 13596480), (1865, 10877184), (1920, 10565598), (2238, 9064320), (2304, 8804665), (2880, 7043732), (2984, 6798240), (3357, 6042880), (3730, 5438592), (3840, 5282799), (4476, 4532160), (4721, 4296960), (5595, 3625728), (5760, 3521866), (5968, 3399120), (6714, 3021440), (7460, 2719296), (8952, 2266080), (9442, 2148480), (11190, 1812864), (11520, 1760933), (11936, 1699560), (13428, 1510720), (14163, 1432320), (14920, 1359648), (16785, 1208576), (17904, 1133040), (18884, 1074240), (22380, 906432), (23605, 859392), (23872, 849780), (26856, 755360), (28326, 716160), (29840, 679824), (33570, 604288), (35808, 566520), (37768, 537120), (42489, 477440), (44760, 453216), (47210, 429696), (47744, 424890), (53712, 377680), (56652, 358080), (59680, 339912), (67140, 302144), (70815, 286464), (71616, 283260), (75536, 268560), (84978, 238720), (89520, 226608), (94420, 214848), (95488, 212445), (107424, 188840), (113304, 179040), (119360, 169956), (134280, 151072), (141630, 143232)]