257679840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1385

約数の個数: 192

約数和(自身を含む): 910103040

約数和(自身を除く): 652423200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 44, 48, 55, 60, 66, 74, 80, 88, 96, 110, 111, 120, 132, 148, 160, 165, 176, 185, 220, 222, 240, 264, 296, 330, 352, 370, 407, 440, 444, 480, 528, 555, 592, 660, 740, 814, 880, 888, 1056, 1110, 1184, 1221, 1319, 1320, 1480, 1628, 1760, 1776, 2035, 2220, 2442, 2638, 2640, 2960, 3256, 3552, 3957, 4070, 4440, 4884, 5276, 5280, 5920, 6105, 6512, 6595, 7914, 8140, 8880, 9768, 10552, 12210, 13024, 13190, 14509, 15828, 16280, 17760, 19536, 19785, 21104, 24420, 26380, 29018, 31656, 32560, 39072, 39570, 42208, 43527, 48803, 48840, 52760, 58036, 63312, 65120, 72545, 79140, 87054, 97606, 97680, 105520, 116072, 126624, 145090, 146409, 158280, 174108, 195212, 195360, 211040, 217635, 232144, 244015, 290180, 292818, 316560, 348216, 390424, 435270, 464288, 488030, 536833, 580360, 585636, 633120, 696432, 732045, 780848, 870540, 976060, 1073666, 1160720, 1171272, 1392864, 1464090, 1561696, 1610499, 1741080, 1952120, 2147332, 2321440, 2342544, 2684165, 2928180, 3220998, 3482160, 3904240, 4294664, 4685088, 5368330, 5856360, 6441996, 6964320, 7808480, 8052495, 8589328, 10736660, 11712720, 12883992, 16104990, 17178656, 21473320, 23425440, 25767984, 32209980, 42946640, 51535968, 64419960, 85893280, 128839920, 257679840]

約数ペア:

[(1, 257679840), (2, 128839920), (3, 85893280), (4, 64419960), (5, 51535968), (6, 42946640), (8, 32209980), (10, 25767984), (11, 23425440), (12, 21473320), (15, 17178656), (16, 16104990), (20, 12883992), (22, 11712720), (24, 10736660), (30, 8589328), (32, 8052495), (33, 7808480), (37, 6964320), (40, 6441996), (44, 5856360), (48, 5368330), (55, 4685088), (60, 4294664), (66, 3904240), (74, 3482160), (80, 3220998), (88, 2928180), (96, 2684165), (110, 2342544), (111, 2321440), (120, 2147332), (132, 1952120), (148, 1741080), (160, 1610499), (165, 1561696), (176, 1464090), (185, 1392864), (220, 1171272), (222, 1160720), (240, 1073666), (264, 976060), (296, 870540), (330, 780848), (352, 732045), (370, 696432), (407, 633120), (440, 585636), (444, 580360), (480, 536833), (528, 488030), (555, 464288), (592, 435270), (660, 390424), (740, 348216), (814, 316560), (880, 292818), (888, 290180), (1056, 244015), (1110, 232144), (1184, 217635), (1221, 211040), (1319, 195360), (1320, 195212), (1480, 174108), (1628, 158280), (1760, 146409), (1776, 145090), (2035, 126624), (2220, 116072), (2442, 105520), (2638, 97680), (2640, 97606), (2960, 87054), (3256, 79140), (3552, 72545), (3957, 65120), (4070, 63312), (4440, 58036), (4884, 52760), (5276, 48840), (5280, 48803), (5920, 43527), (6105, 42208), (6512, 39570), (6595, 39072), (7914, 32560), (8140, 31656), (8880, 29018), (9768, 26380), (10552, 24420), (12210, 21104), (13024, 19785), (13190, 19536), (14509, 17760), (15828, 16280)]