51487920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 240

約数和(自身を含む): 195924960

約数和(自身を除く): 144437040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 121, 132, 135, 144, 165, 176, 180, 197, 198, 216, 220, 240, 242, 264, 270, 297, 330, 360, 363, 394, 396, 432, 440, 484, 495, 528, 540, 591, 594, 605, 660, 720, 726, 788, 792, 880, 968, 985, 990, 1080, 1089, 1182, 1188, 1210, 1320, 1452, 1485, 1576, 1584, 1773, 1815, 1936, 1970, 1980, 2160, 2167, 2178, 2364, 2376, 2420, 2640, 2904, 2955, 2970, 3152, 3267, 3546, 3630, 3940, 3960, 4334, 4356, 4728, 4752, 4840, 5319, 5445, 5808, 5910, 5940, 6501, 6534, 7092, 7260, 7880, 7920, 8668, 8712, 8865, 9456, 9680, 10638, 10835, 10890, 11820, 11880, 13002, 13068, 14184, 14520, 15760, 16335, 17336, 17424, 17730, 19503, 21276, 21670, 21780, 23640, 23760, 23837, 26004, 26136, 26595, 28368, 29040, 32505, 32670, 34672, 35460, 39006, 42552, 43340, 43560, 47280, 47674, 52008, 52272, 53190, 58509, 65010, 65340, 70920, 71511, 78012, 85104, 86680, 87120, 95348, 97515, 104016, 106380, 117018, 119185, 130020, 130680, 141840, 143022, 156024, 173360, 190696, 195030, 212760, 214533, 234036, 238370, 260040, 261360, 286044, 292545, 312048, 357555, 381392, 390060, 425520, 429066, 468072, 476740, 520080, 572088, 585090, 643599, 715110, 780120, 858132, 936144, 953480, 1072665, 1144176, 1170180, 1287198, 1430220, 1560240, 1716264, 1906960, 2145330, 2340360, 2574396, 2860440, 3217995, 3432528, 4290660, 4680720, 5148792, 5720880, 6435990, 8581320, 10297584, 12871980, 17162640, 25743960, 51487920]

約数ペア:

[(1, 51487920), (2, 25743960), (3, 17162640), (4, 12871980), (5, 10297584), (6, 8581320), (8, 6435990), (9, 5720880), (10, 5148792), (11, 4680720), (12, 4290660), (15, 3432528), (16, 3217995), (18, 2860440), (20, 2574396), (22, 2340360), (24, 2145330), (27, 1906960), (30, 1716264), (33, 1560240), (36, 1430220), (40, 1287198), (44, 1170180), (45, 1144176), (48, 1072665), (54, 953480), (55, 936144), (60, 858132), (66, 780120), (72, 715110), (80, 643599), (88, 585090), (90, 572088), (99, 520080), (108, 476740), (110, 468072), (120, 429066), (121, 425520), (132, 390060), (135, 381392), (144, 357555), (165, 312048), (176, 292545), (180, 286044), (197, 261360), (198, 260040), (216, 238370), (220, 234036), (240, 214533), (242, 212760), (264, 195030), (270, 190696), (297, 173360), (330, 156024), (360, 143022), (363, 141840), (394, 130680), (396, 130020), (432, 119185), (440, 117018), (484, 106380), (495, 104016), (528, 97515), (540, 95348), (591, 87120), (594, 86680), (605, 85104), (660, 78012), (720, 71511), (726, 70920), (788, 65340), (792, 65010), (880, 58509), (968, 53190), (985, 52272), (990, 52008), (1080, 47674), (1089, 47280), (1182, 43560), (1188, 43340), (1210, 42552), (1320, 39006), (1452, 35460), (1485, 34672), (1576, 32670), (1584, 32505), (1773, 29040), (1815, 28368), (1936, 26595), (1970, 26136), (1980, 26004), (2160, 23837), (2167, 23760), (2178, 23640), (2364, 21780), (2376, 21670), (2420, 21276), (2640, 19503), (2904, 17730), (2955, 17424), (2970, 17336), (3152, 16335), (3267, 15760), (3546, 14520), (3630, 14184), (3940, 13068), (3960, 13002), (4334, 11880), (4356, 11820), (4728, 10890), (4752, 10835), (4840, 10638), (5319, 9680), (5445, 9456), (5808, 8865), (5910, 8712), (5940, 8668), (6501, 7920), (6534, 7880), (7092, 7260)]