641172708

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 1920988160

約数和(自身を除く): 1279815452

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 61, 66, 76, 99, 114, 121, 122, 127, 132, 171, 183, 198, 209, 228, 242, 244, 254, 342, 363, 366, 381, 396, 418, 484, 508, 549, 627, 671, 684, 726, 732, 762, 836, 1089, 1098, 1143, 1159, 1254, 1342, 1397, 1452, 1524, 1881, 2013, 2178, 2196, 2286, 2299, 2318, 2413, 2508, 2684, 2794, 3477, 3762, 4026, 4191, 4356, 4572, 4598, 4636, 4826, 5588, 6039, 6897, 6954, 7239, 7381, 7524, 7747, 8052, 8382, 9196, 9652, 10431, 12078, 12573, 12749, 13794, 13908, 14478, 14762, 15367, 15494, 16764, 20691, 20862, 21717, 22143, 23241, 24156, 25146, 25498, 26543, 27588, 28956, 29524, 30734, 30988, 38247, 41382, 41724, 43434, 44286, 46101, 46482, 50292, 50996, 53086, 61468, 66429, 69723, 76494, 79629, 82764, 85217, 86868, 88572, 92202, 92964, 106172, 114741, 132858, 138303, 139446, 140239, 147193, 152988, 159258, 170434, 184404, 229482, 238887, 255651, 265716, 276606, 278892, 280478, 291973, 294386, 318516, 340868, 420717, 441579, 458964, 477774, 511302, 553212, 560956, 583946, 588772, 766953, 841434, 875919, 883158, 937387, 955548, 1022604, 1167892, 1262151, 1324737, 1533906, 1619123, 1682868, 1751838, 1766316, 1874774, 2524302, 2627757, 2649474, 2812161, 3067812, 3238246, 3503676, 3749548, 4857369, 5048604, 5255514, 5298948, 5624322, 6476492, 8436483, 9714738, 10511028, 11248644, 14572107, 16872966, 17810353, 19429476, 29144214, 33745932, 35620706, 53431059, 58288428, 71241412, 106862118, 160293177, 213724236, 320586354, 641172708]

約数ペア:

[(1, 641172708), (2, 320586354), (3, 213724236), (4, 160293177), (6, 106862118), (9, 71241412), (11, 58288428), (12, 53431059), (18, 35620706), (19, 33745932), (22, 29144214), (33, 19429476), (36, 17810353), (38, 16872966), (44, 14572107), (57, 11248644), (61, 10511028), (66, 9714738), (76, 8436483), (99, 6476492), (114, 5624322), (121, 5298948), (122, 5255514), (127, 5048604), (132, 4857369), (171, 3749548), (183, 3503676), (198, 3238246), (209, 3067812), (228, 2812161), (242, 2649474), (244, 2627757), (254, 2524302), (342, 1874774), (363, 1766316), (366, 1751838), (381, 1682868), (396, 1619123), (418, 1533906), (484, 1324737), (508, 1262151), (549, 1167892), (627, 1022604), (671, 955548), (684, 937387), (726, 883158), (732, 875919), (762, 841434), (836, 766953), (1089, 588772), (1098, 583946), (1143, 560956), (1159, 553212), (1254, 511302), (1342, 477774), (1397, 458964), (1452, 441579), (1524, 420717), (1881, 340868), (2013, 318516), (2178, 294386), (2196, 291973), (2286, 280478), (2299, 278892), (2318, 276606), (2413, 265716), (2508, 255651), (2684, 238887), (2794, 229482), (3477, 184404), (3762, 170434), (4026, 159258), (4191, 152988), (4356, 147193), (4572, 140239), (4598, 139446), (4636, 138303), (4826, 132858), (5588, 114741), (6039, 106172), (6897, 92964), (6954, 92202), (7239, 88572), (7381, 86868), (7524, 85217), (7747, 82764), (8052, 79629), (8382, 76494), (9196, 69723), (9652, 66429), (10431, 61468), (12078, 53086), (12573, 50996), (12749, 50292), (13794, 46482), (13908, 46101), (14478, 44286), (14762, 43434), (15367, 41724), (15494, 41382), (16764, 38247), (20691, 30988), (20862, 30734), (21717, 29524), (22143, 28956), (23241, 27588), (24156, 26543), (25146, 25498)]