281519280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:505

約数の個数: 320

約数和(自身を含む): 1136593920

約数和(自身を除く): 855074640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 108, 112, 120, 126, 129, 135, 140, 144, 168, 172, 180, 189, 210, 215, 216, 240, 252, 258, 270, 280, 301, 315, 336, 344, 360, 378, 387, 420, 430, 432, 433, 504, 516, 540, 560, 602, 630, 645, 688, 720, 756, 774, 840, 860, 866, 903, 945, 1008, 1032, 1080, 1161, 1204, 1260, 1290, 1299, 1505, 1512, 1548, 1680, 1720, 1732, 1806, 1890, 1935, 2064, 2160, 2165, 2322, 2408, 2520, 2580, 2598, 2709, 3010, 3024, 3031, 3096, 3440, 3464, 3612, 3780, 3870, 3897, 4330, 4515, 4644, 4816, 5040, 5160, 5196, 5418, 5805, 6020, 6062, 6192, 6495, 6928, 7224, 7560, 7740, 7794, 8127, 8660, 9030, 9093, 9288, 10320, 10392, 10836, 11610, 11691, 12040, 12124, 12990, 13545, 14448, 15120, 15155, 15480, 15588, 16254, 17320, 18060, 18186, 18576, 18619, 19485, 20784, 21672, 23220, 23382, 24080, 24248, 25980, 27090, 27279, 30310, 30960, 31176, 32508, 34640, 36120, 36372, 37238, 38970, 40635, 43344, 45465, 46440, 46764, 48496, 51960, 54180, 54558, 55857, 58455, 60620, 62352, 65016, 72240, 72744, 74476, 77940, 81270, 81837, 90930, 92880, 93095, 93528, 103920, 108360, 109116, 111714, 116910, 121240, 130032, 130333, 136395, 145488, 148952, 155880, 162540, 163674, 167571, 181860, 186190, 187056, 216720, 218232, 223428, 233820, 242480, 260666, 272790, 279285, 297904, 311760, 325080, 327348, 335142, 363720, 372380, 390999, 409185, 436464, 446856, 467640, 502713, 521332, 545580, 558570, 650160, 651665, 654696, 670284, 727440, 744760, 781998, 818370, 837855, 893712, 935280, 1005426, 1042664, 1091160, 1117140, 1172997, 1303330, 1309392, 1340568, 1489520, 1563996, 1636740, 1675710, 1954995, 2010852, 2085328, 2182320, 2234280, 2345994, 2513565, 2606660, 2681136, 3127992, 3273480, 3351420, 3518991, 3909990, 4021704, 4468560, 4691988, 5027130, 5213320, 5864985, 6255984, 6546960, 6702840, 7037982, 7819980, 8043408, 9383976, 10054260, 10426640, 11729970, 13405680, 14075964, 15639960, 17594955, 18767952, 20108520, 23459940, 28151928, 31279920, 35189910, 40217040, 46919880, 56303856, 70379820, 93839760, 140759640, 281519280]

約数ペア:

[(1, 281519280), (2, 140759640), (3, 93839760), (4, 70379820), (5, 56303856), (6, 46919880), (7, 40217040), (8, 35189910), (9, 31279920), (10, 28151928), (12, 23459940), (14, 20108520), (15, 18767952), (16, 17594955), (18, 15639960), (20, 14075964), (21, 13405680), (24, 11729970), (27, 10426640), (28, 10054260), (30, 9383976), (35, 8043408), (36, 7819980), (40, 7037982), (42, 6702840), (43, 6546960), (45, 6255984), (48, 5864985), (54, 5213320), (56, 5027130), (60, 4691988), (63, 4468560), (70, 4021704), (72, 3909990), (80, 3518991), (84, 3351420), (86, 3273480), (90, 3127992), (105, 2681136), (108, 2606660), (112, 2513565), (120, 2345994), (126, 2234280), (129, 2182320), (135, 2085328), (140, 2010852), (144, 1954995), (168, 1675710), (172, 1636740), (180, 1563996), (189, 1489520), (210, 1340568), (215, 1309392), (216, 1303330), (240, 1172997), (252, 1117140), (258, 1091160), (270, 1042664), (280, 1005426), (301, 935280), (315, 893712), (336, 837855), (344, 818370), (360, 781998), (378, 744760), (387, 727440), (420, 670284), (430, 654696), (432, 651665), (433, 650160), (504, 558570), (516, 545580), (540, 521332), (560, 502713), (602, 467640), (630, 446856), (645, 436464), (688, 409185), (720, 390999), (756, 372380), (774, 363720), (840, 335142), (860, 327348), (866, 325080), (903, 311760), (945, 297904), (1008, 279285), (1032, 272790), (1080, 260666), (1161, 242480), (1204, 233820), (1260, 223428), (1290, 218232), (1299, 216720), (1505, 187056), (1512, 186190), (1548, 181860), (1680, 167571), (1720, 163674), (1732, 162540), (1806, 155880), (1890, 148952), (1935, 145488), (2064, 136395), (2160, 130333), (2165, 130032), (2322, 121240), (2408, 116910), (2520, 111714), (2580, 109116), (2598, 108360), (2709, 103920), (3010, 93528), (3024, 93095), (3031, 92880), (3096, 90930), (3440, 81837), (3464, 81270), (3612, 77940), (3780, 74476), (3870, 72744), (3897, 72240), (4330, 65016), (4515, 62352), (4644, 60620), (4816, 58455), (5040, 55857), (5160, 54558), (5196, 54180), (5418, 51960), (5805, 48496), (6020, 46764), (6062, 46440), (6192, 45465), (6495, 43344), (6928, 40635), (7224, 38970), (7560, 37238), (7740, 36372), (7794, 36120), (8127, 34640), (8660, 32508), (9030, 31176), (9093, 30960), (9288, 30310), (10320, 27279), (10392, 27090), (10836, 25980), (11610, 24248), (11691, 24080), (12040, 23382), (12124, 23220), (12990, 21672), (13545, 20784), (14448, 19485), (15120, 18619), (15155, 18576), (15480, 18186), (15588, 18060), (16254, 17320)]