261893280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 192

約数和(自身を含む): 908143488

約数和(自身を除く): 646250208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 193, 220, 240, 257, 264, 330, 352, 386, 440, 480, 514, 528, 579, 660, 771, 772, 880, 965, 1028, 1056, 1158, 1285, 1320, 1542, 1544, 1760, 1930, 2056, 2123, 2316, 2570, 2640, 2827, 2895, 3084, 3088, 3855, 3860, 4112, 4246, 4632, 5140, 5280, 5654, 5790, 6168, 6176, 6369, 7710, 7720, 8224, 8481, 8492, 9264, 10280, 10615, 11308, 11580, 12336, 12738, 14135, 15420, 15440, 16962, 16984, 18528, 20560, 21230, 22616, 23160, 24672, 25476, 28270, 30840, 30880, 31845, 33924, 33968, 41120, 42405, 42460, 45232, 46320, 49601, 50952, 56540, 61680, 63690, 67848, 67936, 84810, 84920, 90464, 92640, 99202, 101904, 113080, 123360, 127380, 135696, 148803, 169620, 169840, 198404, 203808, 226160, 248005, 254760, 271392, 297606, 339240, 339680, 396808, 452320, 496010, 509520, 545611, 595212, 678480, 744015, 793616, 992020, 1019040, 1091222, 1190424, 1356960, 1488030, 1587232, 1636833, 1984040, 2182444, 2380848, 2728055, 2976060, 3273666, 3968080, 4364888, 4761696, 5456110, 5952120, 6547332, 7936160, 8184165, 8729776, 10912220, 11904240, 13094664, 16368330, 17459552, 21824440, 23808480, 26189328, 32736660, 43648880, 52378656, 65473320, 87297760, 130946640, 261893280]

約数ペア:

[(1, 261893280), (2, 130946640), (3, 87297760), (4, 65473320), (5, 52378656), (6, 43648880), (8, 32736660), (10, 26189328), (11, 23808480), (12, 21824440), (15, 17459552), (16, 16368330), (20, 13094664), (22, 11904240), (24, 10912220), (30, 8729776), (32, 8184165), (33, 7936160), (40, 6547332), (44, 5952120), (48, 5456110), (55, 4761696), (60, 4364888), (66, 3968080), (80, 3273666), (88, 2976060), (96, 2728055), (110, 2380848), (120, 2182444), (132, 1984040), (160, 1636833), (165, 1587232), (176, 1488030), (193, 1356960), (220, 1190424), (240, 1091222), (257, 1019040), (264, 992020), (330, 793616), (352, 744015), (386, 678480), (440, 595212), (480, 545611), (514, 509520), (528, 496010), (579, 452320), (660, 396808), (771, 339680), (772, 339240), (880, 297606), (965, 271392), (1028, 254760), (1056, 248005), (1158, 226160), (1285, 203808), (1320, 198404), (1542, 169840), (1544, 169620), (1760, 148803), (1930, 135696), (2056, 127380), (2123, 123360), (2316, 113080), (2570, 101904), (2640, 99202), (2827, 92640), (2895, 90464), (3084, 84920), (3088, 84810), (3855, 67936), (3860, 67848), (4112, 63690), (4246, 61680), (4632, 56540), (5140, 50952), (5280, 49601), (5654, 46320), (5790, 45232), (6168, 42460), (6176, 42405), (6369, 41120), (7710, 33968), (7720, 33924), (8224, 31845), (8481, 30880), (8492, 30840), (9264, 28270), (10280, 25476), (10615, 24672), (11308, 23160), (11580, 22616), (12336, 21230), (12738, 20560), (14135, 18528), (15420, 16984), (15440, 16962)]