1280491696

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:395

約数の個数: 120

約数和(自身を含む): 2879503200

約数和(自身を除く): 1599011504

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 149, 176, 184, 193, 242, 253, 298, 368, 386, 484, 506, 596, 772, 968, 1012, 1192, 1544, 1639, 1936, 2024, 2123, 2384, 2783, 3088, 3278, 3427, 4048, 4246, 4439, 5566, 6556, 6854, 8492, 8878, 11132, 13112, 13708, 16984, 17756, 18029, 22264, 23353, 26224, 27416, 28757, 33968, 35512, 36058, 37697, 44528, 46706, 48829, 54832, 57514, 71024, 72116, 75394, 93412, 97658, 115028, 144232, 150788, 186824, 195316, 230056, 288464, 301576, 316327, 373648, 390632, 414667, 460112, 537119, 603152, 632654, 661411, 781264, 829334, 1074238, 1265308, 1322822, 1658668, 2148476, 2530616, 2645644, 3317336, 3479597, 4296952, 5061232, 5291288, 6634672, 6959194, 7275521, 8593904, 10582576, 13918388, 14551042, 27836776, 29102084, 55673552, 58204168, 80030731, 116408336, 160061462, 320122924, 640245848, 1280491696]

約数ペア:

[(1, 1280491696), (2, 640245848), (4, 320122924), (8, 160061462), (11, 116408336), (16, 80030731), (22, 58204168), (23, 55673552), (44, 29102084), (46, 27836776), (88, 14551042), (92, 13918388), (121, 10582576), (149, 8593904), (176, 7275521), (184, 6959194), (193, 6634672), (242, 5291288), (253, 5061232), (298, 4296952), (368, 3479597), (386, 3317336), (484, 2645644), (506, 2530616), (596, 2148476), (772, 1658668), (968, 1322822), (1012, 1265308), (1192, 1074238), (1544, 829334), (1639, 781264), (1936, 661411), (2024, 632654), (2123, 603152), (2384, 537119), (2783, 460112), (3088, 414667), (3278, 390632), (3427, 373648), (4048, 316327), (4246, 301576), (4439, 288464), (5566, 230056), (6556, 195316), (6854, 186824), (8492, 150788), (8878, 144232), (11132, 115028), (13112, 97658), (13708, 93412), (16984, 75394), (17756, 72116), (18029, 71024), (22264, 57514), (23353, 54832), (26224, 48829), (27416, 46706), (28757, 44528), (33968, 37697), (35512, 36058)]