257368320

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:718

約数の個数: 288

約数和(自身を含む): 997799040

約数和(自身を除く): 740430720

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, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 256, 264, 270, 288, 297, 320, 330, 352, 360, 384, 396, 432, 440, 480, 495, 528, 540, 576, 594, 640, 660, 677, 704, 720, 768, 792, 864, 880, 960, 990, 1056, 1080, 1152, 1188, 1280, 1320, 1354, 1408, 1440, 1485, 1584, 1728, 1760, 1920, 1980, 2031, 2112, 2160, 2304, 2376, 2640, 2708, 2816, 2880, 2970, 3168, 3385, 3456, 3520, 3840, 3960, 4062, 4224, 4320, 4752, 5280, 5416, 5760, 5940, 6093, 6336, 6770, 6912, 7040, 7447, 7920, 8124, 8448, 8640, 9504, 10155, 10560, 10832, 11520, 11880, 12186, 12672, 13540, 14080, 14894, 15840, 16248, 17280, 18279, 19008, 20310, 21120, 21664, 22341, 23760, 24372, 25344, 27080, 29788, 30465, 31680, 32496, 34560, 36558, 37235, 38016, 40620, 42240, 43328, 44682, 47520, 48744, 54160, 59576, 60930, 63360, 64992, 67023, 73116, 74470, 76032, 81240, 86656, 89364, 91395, 95040, 97488, 108320, 111705, 119152, 121860, 126720, 129984, 134046, 146232, 148940, 162480, 173312, 178728, 182790, 190080, 194976, 201069, 216640, 223410, 238304, 243720, 259968, 268092, 292464, 297880, 324960, 335115, 357456, 365580, 380160, 389952, 402138, 433280, 446820, 476608, 487440, 519936, 536184, 584928, 595760, 649920, 670230, 714912, 731160, 779904, 804276, 866560, 893640, 953216, 974880, 1005345, 1072368, 1169856, 1191520, 1299840, 1340460, 1429824, 1462320, 1559808, 1608552, 1787280, 1906432, 1949760, 2010690, 2144736, 2339712, 2383040, 2599680, 2680920, 2859648, 2924640, 3217104, 3574560, 3899520, 4021380, 4289472, 4679424, 4766080, 5361840, 5719296, 5849280, 6434208, 7149120, 7799040, 8042760, 8578944, 9532160, 10723680, 11698560, 12868416, 14298240, 16085520, 17157888, 21447360, 23397120, 25736832, 28596480, 32171040, 42894720, 51473664, 64342080, 85789440, 128684160, 257368320]

約数ペア:

[(1, 257368320), (2, 128684160), (3, 85789440), (4, 64342080), (5, 51473664), (6, 42894720), (8, 32171040), (9, 28596480), (10, 25736832), (11, 23397120), (12, 21447360), (15, 17157888), (16, 16085520), (18, 14298240), (20, 12868416), (22, 11698560), (24, 10723680), (27, 9532160), (30, 8578944), (32, 8042760), (33, 7799040), (36, 7149120), (40, 6434208), (44, 5849280), (45, 5719296), (48, 5361840), (54, 4766080), (55, 4679424), (60, 4289472), (64, 4021380), (66, 3899520), (72, 3574560), (80, 3217104), (88, 2924640), (90, 2859648), (96, 2680920), (99, 2599680), (108, 2383040), (110, 2339712), (120, 2144736), (128, 2010690), (132, 1949760), (135, 1906432), (144, 1787280), (160, 1608552), (165, 1559808), (176, 1462320), (180, 1429824), (192, 1340460), (198, 1299840), (216, 1191520), (220, 1169856), (240, 1072368), (256, 1005345), (264, 974880), (270, 953216), (288, 893640), (297, 866560), (320, 804276), (330, 779904), (352, 731160), (360, 714912), (384, 670230), (396, 649920), (432, 595760), (440, 584928), (480, 536184), (495, 519936), (528, 487440), (540, 476608), (576, 446820), (594, 433280), (640, 402138), (660, 389952), (677, 380160), (704, 365580), (720, 357456), (768, 335115), (792, 324960), (864, 297880), (880, 292464), (960, 268092), (990, 259968), (1056, 243720), (1080, 238304), (1152, 223410), (1188, 216640), (1280, 201069), (1320, 194976), (1354, 190080), (1408, 182790), (1440, 178728), (1485, 173312), (1584, 162480), (1728, 148940), (1760, 146232), (1920, 134046), (1980, 129984), (2031, 126720), (2112, 121860), (2160, 119152), (2304, 111705), (2376, 108320), (2640, 97488), (2708, 95040), (2816, 91395), (2880, 89364), (2970, 86656), (3168, 81240), (3385, 76032), (3456, 74470), (3520, 73116), (3840, 67023), (3960, 64992), (4062, 63360), (4224, 60930), (4320, 59576), (4752, 54160), (5280, 48744), (5416, 47520), (5760, 44682), (5940, 43328), (6093, 42240), (6336, 40620), (6770, 38016), (6912, 37235), (7040, 36558), (7447, 34560), (7920, 32496), (8124, 31680), (8448, 30465), (8640, 29788), (9504, 27080), (10155, 25344), (10560, 24372), (10832, 23760), (11520, 22341), (11880, 21664), (12186, 21120), (12672, 20310), (13540, 19008), (14080, 18279), (14894, 17280), (15840, 16248)]