254035440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 200

約数和(自身を含む): 891237600

約数和(自身を除く): 637202160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 197, 199, 216, 240, 270, 324, 360, 394, 398, 405, 432, 540, 591, 597, 648, 720, 788, 796, 810, 985, 995, 1080, 1182, 1194, 1296, 1576, 1592, 1620, 1773, 1791, 1970, 1990, 2160, 2364, 2388, 2955, 2985, 3152, 3184, 3240, 3546, 3582, 3940, 3980, 4728, 4776, 5319, 5373, 5910, 5970, 6480, 7092, 7164, 7880, 7960, 8865, 8955, 9456, 9552, 10638, 10746, 11820, 11940, 14184, 14328, 15760, 15920, 15957, 16119, 17730, 17910, 21276, 21492, 23640, 23880, 26595, 26865, 28368, 28656, 31914, 32238, 35460, 35820, 39203, 42552, 42984, 47280, 47760, 53190, 53730, 63828, 64476, 70920, 71640, 78406, 79785, 80595, 85104, 85968, 106380, 107460, 117609, 127656, 128952, 141840, 143280, 156812, 159570, 161190, 196015, 212760, 214920, 235218, 255312, 257904, 313624, 319140, 322380, 352827, 392030, 425520, 429840, 470436, 588045, 627248, 638280, 644760, 705654, 784060, 940872, 1058481, 1176090, 1276560, 1289520, 1411308, 1568120, 1764135, 1881744, 2116962, 2352180, 2822616, 3136240, 3175443, 3528270, 4233924, 4704360, 5292405, 5645232, 6350886, 7056540, 8467848, 9408720, 10584810, 12701772, 14113080, 15877215, 16935696, 21169620, 25403544, 28226160, 31754430, 42339240, 50807088, 63508860, 84678480, 127017720, 254035440]

約数ペア:

[(1, 254035440), (2, 127017720), (3, 84678480), (4, 63508860), (5, 50807088), (6, 42339240), (8, 31754430), (9, 28226160), (10, 25403544), (12, 21169620), (15, 16935696), (16, 15877215), (18, 14113080), (20, 12701772), (24, 10584810), (27, 9408720), (30, 8467848), (36, 7056540), (40, 6350886), (45, 5645232), (48, 5292405), (54, 4704360), (60, 4233924), (72, 3528270), (80, 3175443), (81, 3136240), (90, 2822616), (108, 2352180), (120, 2116962), (135, 1881744), (144, 1764135), (162, 1568120), (180, 1411308), (197, 1289520), (199, 1276560), (216, 1176090), (240, 1058481), (270, 940872), (324, 784060), (360, 705654), (394, 644760), (398, 638280), (405, 627248), (432, 588045), (540, 470436), (591, 429840), (597, 425520), (648, 392030), (720, 352827), (788, 322380), (796, 319140), (810, 313624), (985, 257904), (995, 255312), (1080, 235218), (1182, 214920), (1194, 212760), (1296, 196015), (1576, 161190), (1592, 159570), (1620, 156812), (1773, 143280), (1791, 141840), (1970, 128952), (1990, 127656), (2160, 117609), (2364, 107460), (2388, 106380), (2955, 85968), (2985, 85104), (3152, 80595), (3184, 79785), (3240, 78406), (3546, 71640), (3582, 70920), (3940, 64476), (3980, 63828), (4728, 53730), (4776, 53190), (5319, 47760), (5373, 47280), (5910, 42984), (5970, 42552), (6480, 39203), (7092, 35820), (7164, 35460), (7880, 32238), (7960, 31914), (8865, 28656), (8955, 28368), (9456, 26865), (9552, 26595), (10638, 23880), (10746, 23640), (11820, 21492), (11940, 21276), (14184, 17910), (14328, 17730), (15760, 16119), (15920, 15957)]