18722880

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:234

約数の個数: 224

約数和(自身を含む): 72420480

約数和(自身を除く): 53697600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 192, 197, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 394, 396, 432, 440, 480, 495, 528, 540, 576, 591, 594, 660, 704, 720, 788, 792, 864, 880, 960, 985, 990, 1056, 1080, 1182, 1188, 1320, 1440, 1485, 1576, 1584, 1728, 1760, 1773, 1970, 1980, 2112, 2160, 2167, 2364, 2376, 2640, 2880, 2955, 2970, 3152, 3168, 3520, 3546, 3940, 3960, 4320, 4334, 4728, 4752, 5280, 5319, 5910, 5940, 6304, 6336, 6501, 7092, 7880, 7920, 8640, 8668, 8865, 9456, 9504, 10560, 10638, 10835, 11820, 11880, 12608, 13002, 14184, 15760, 15840, 17336, 17730, 18912, 19008, 19503, 21276, 21670, 23640, 23760, 26004, 26595, 28368, 31520, 31680, 32505, 34672, 35460, 37824, 39006, 42552, 43340, 47280, 47520, 52008, 53190, 56736, 58509, 63040, 65010, 69344, 70920, 78012, 85104, 86680, 94560, 95040, 97515, 104016, 106380, 113472, 117018, 130020, 138688, 141840, 156024, 170208, 173360, 189120, 195030, 208032, 212760, 234036, 260040, 283680, 292545, 312048, 340416, 346720, 390060, 416064, 425520, 468072, 520080, 567360, 585090, 624096, 693440, 780120, 851040, 936144, 1040160, 1170180, 1248192, 1560240, 1702080, 1872288, 2080320, 2340360, 3120480, 3744576, 4680720, 6240960, 9361440, 18722880]

約数ペア:

[(1, 18722880), (2, 9361440), (3, 6240960), (4, 4680720), (5, 3744576), (6, 3120480), (8, 2340360), (9, 2080320), (10, 1872288), (11, 1702080), (12, 1560240), (15, 1248192), (16, 1170180), (18, 1040160), (20, 936144), (22, 851040), (24, 780120), (27, 693440), (30, 624096), (32, 585090), (33, 567360), (36, 520080), (40, 468072), (44, 425520), (45, 416064), (48, 390060), (54, 346720), (55, 340416), (60, 312048), (64, 292545), (66, 283680), (72, 260040), (80, 234036), (88, 212760), (90, 208032), (96, 195030), (99, 189120), (108, 173360), (110, 170208), (120, 156024), (132, 141840), (135, 138688), (144, 130020), (160, 117018), (165, 113472), (176, 106380), (180, 104016), (192, 97515), (197, 95040), (198, 94560), (216, 86680), (220, 85104), (240, 78012), (264, 70920), (270, 69344), (288, 65010), (297, 63040), (320, 58509), (330, 56736), (352, 53190), (360, 52008), (394, 47520), (396, 47280), (432, 43340), (440, 42552), (480, 39006), (495, 37824), (528, 35460), (540, 34672), (576, 32505), (591, 31680), (594, 31520), (660, 28368), (704, 26595), (720, 26004), (788, 23760), (792, 23640), (864, 21670), (880, 21276), (960, 19503), (985, 19008), (990, 18912), (1056, 17730), (1080, 17336), (1182, 15840), (1188, 15760), (1320, 14184), (1440, 13002), (1485, 12608), (1576, 11880), (1584, 11820), (1728, 10835), (1760, 10638), (1773, 10560), (1970, 9504), (1980, 9456), (2112, 8865), (2160, 8668), (2167, 8640), (2364, 7920), (2376, 7880), (2640, 7092), (2880, 6501), (2955, 6336), (2970, 6304), (3152, 5940), (3168, 5910), (3520, 5319), (3546, 5280), (3940, 4752), (3960, 4728), (4320, 4334)]