257763520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:1015

約数の個数: 168

約数和(自身を含む): 756794016

約数和(自身を除く): 499030496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 320, 340, 392, 448, 476, 490, 544, 560, 595, 680, 784, 833, 952, 967, 980, 1088, 1120, 1190, 1360, 1568, 1666, 1904, 1934, 1960, 2240, 2380, 2720, 3136, 3332, 3808, 3868, 3920, 4165, 4760, 4835, 5440, 6664, 6769, 7616, 7736, 7840, 8330, 9520, 9670, 13328, 13538, 15472, 15680, 16439, 16660, 19040, 19340, 26656, 27076, 30944, 32878, 33320, 33845, 38080, 38680, 47383, 53312, 54152, 61888, 65756, 66640, 67690, 77360, 82195, 94766, 108304, 115073, 131512, 133280, 135380, 154720, 164390, 189532, 216608, 230146, 236915, 263024, 266560, 270760, 309440, 328780, 379064, 433216, 460292, 473830, 526048, 541520, 575365, 657560, 758128, 805511, 920584, 947660, 1052096, 1083040, 1150730, 1315120, 1516256, 1611022, 1841168, 1895320, 2166080, 2301460, 2630240, 3032512, 3222044, 3682336, 3790640, 4027555, 4602920, 5260480, 6444088, 7364672, 7581280, 8055110, 9205840, 12888176, 15162560, 16110220, 18411680, 25776352, 32220440, 36823360, 51552704, 64440880, 128881760, 257763520]

約数ペア:

[(1, 257763520), (2, 128881760), (4, 64440880), (5, 51552704), (7, 36823360), (8, 32220440), (10, 25776352), (14, 18411680), (16, 16110220), (17, 15162560), (20, 12888176), (28, 9205840), (32, 8055110), (34, 7581280), (35, 7364672), (40, 6444088), (49, 5260480), (56, 4602920), (64, 4027555), (68, 3790640), (70, 3682336), (80, 3222044), (85, 3032512), (98, 2630240), (112, 2301460), (119, 2166080), (136, 1895320), (140, 1841168), (160, 1611022), (170, 1516256), (196, 1315120), (224, 1150730), (238, 1083040), (245, 1052096), (272, 947660), (280, 920584), (320, 805511), (340, 758128), (392, 657560), (448, 575365), (476, 541520), (490, 526048), (544, 473830), (560, 460292), (595, 433216), (680, 379064), (784, 328780), (833, 309440), (952, 270760), (967, 266560), (980, 263024), (1088, 236915), (1120, 230146), (1190, 216608), (1360, 189532), (1568, 164390), (1666, 154720), (1904, 135380), (1934, 133280), (1960, 131512), (2240, 115073), (2380, 108304), (2720, 94766), (3136, 82195), (3332, 77360), (3808, 67690), (3868, 66640), (3920, 65756), (4165, 61888), (4760, 54152), (4835, 53312), (5440, 47383), (6664, 38680), (6769, 38080), (7616, 33845), (7736, 33320), (7840, 32878), (8330, 30944), (9520, 27076), (9670, 26656), (13328, 19340), (13538, 19040), (15472, 16660), (15680, 16439)]