278979792

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^3$

素因数の和:95

約数の個数: 240

約数和(自身を含む): 947617920

約数和(自身を除く): 668638128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 51, 52, 56, 68, 78, 84, 91, 102, 104, 112, 119, 136, 156, 168, 169, 182, 204, 208, 221, 238, 272, 273, 289, 312, 336, 338, 357, 364, 408, 442, 476, 507, 546, 578, 624, 663, 676, 714, 728, 816, 867, 884, 952, 1014, 1092, 1156, 1183, 1326, 1352, 1428, 1456, 1547, 1734, 1768, 1904, 2023, 2028, 2184, 2312, 2366, 2652, 2704, 2856, 2873, 3094, 3468, 3536, 3549, 3757, 4046, 4056, 4368, 4624, 4641, 4732, 4913, 5304, 5712, 5746, 6069, 6188, 6936, 7098, 7514, 8092, 8112, 8619, 9282, 9464, 9826, 10608, 11271, 11492, 12138, 12376, 13872, 14196, 14739, 15028, 16184, 17238, 18564, 18928, 19652, 20111, 22542, 22984, 24276, 24752, 26299, 28392, 29478, 30056, 32368, 34391, 34476, 37128, 39304, 40222, 45084, 45968, 48552, 48841, 52598, 56784, 58956, 60112, 60333, 63869, 68782, 68952, 74256, 78608, 78897, 80444, 90168, 97104, 97682, 103173, 105196, 117912, 120666, 127738, 137564, 137904, 146523, 157794, 160888, 180336, 191607, 195364, 206346, 210392, 235824, 241332, 255476, 275128, 293046, 315588, 321776, 341887, 383214, 390728, 412692, 420784, 447083, 482664, 510952, 550256, 586092, 631176, 683774, 766428, 781456, 825384, 830297, 894166, 965328, 1021904, 1025661, 1172184, 1262352, 1341249, 1367548, 1532856, 1650768, 1660594, 1788332, 2051322, 2344368, 2490891, 2682498, 2735096, 3065712, 3321188, 3576664, 4102644, 4981782, 5364996, 5470192, 5812079, 6642376, 7153328, 8205288, 9963564, 10729992, 11624158, 13284752, 16410576, 17436237, 19927128, 21459984, 23248316, 34872474, 39854256, 46496632, 69744948, 92993264, 139489896, 278979792]

約数ペア:

[(1, 278979792), (2, 139489896), (3, 92993264), (4, 69744948), (6, 46496632), (7, 39854256), (8, 34872474), (12, 23248316), (13, 21459984), (14, 19927128), (16, 17436237), (17, 16410576), (21, 13284752), (24, 11624158), (26, 10729992), (28, 9963564), (34, 8205288), (39, 7153328), (42, 6642376), (48, 5812079), (51, 5470192), (52, 5364996), (56, 4981782), (68, 4102644), (78, 3576664), (84, 3321188), (91, 3065712), (102, 2735096), (104, 2682498), (112, 2490891), (119, 2344368), (136, 2051322), (156, 1788332), (168, 1660594), (169, 1650768), (182, 1532856), (204, 1367548), (208, 1341249), (221, 1262352), (238, 1172184), (272, 1025661), (273, 1021904), (289, 965328), (312, 894166), (336, 830297), (338, 825384), (357, 781456), (364, 766428), (408, 683774), (442, 631176), (476, 586092), (507, 550256), (546, 510952), (578, 482664), (624, 447083), (663, 420784), (676, 412692), (714, 390728), (728, 383214), (816, 341887), (867, 321776), (884, 315588), (952, 293046), (1014, 275128), (1092, 255476), (1156, 241332), (1183, 235824), (1326, 210392), (1352, 206346), (1428, 195364), (1456, 191607), (1547, 180336), (1734, 160888), (1768, 157794), (1904, 146523), (2023, 137904), (2028, 137564), (2184, 127738), (2312, 120666), (2366, 117912), (2652, 105196), (2704, 103173), (2856, 97682), (2873, 97104), (3094, 90168), (3468, 80444), (3536, 78897), (3549, 78608), (3757, 74256), (4046, 68952), (4056, 68782), (4368, 63869), (4624, 60333), (4641, 60112), (4732, 58956), (4913, 56784), (5304, 52598), (5712, 48841), (5746, 48552), (6069, 45968), (6188, 45084), (6936, 40222), (7098, 39304), (7514, 37128), (8092, 34476), (8112, 34391), (8619, 32368), (9282, 30056), (9464, 29478), (9826, 28392), (10608, 26299), (11271, 24752), (11492, 24276), (12138, 22984), (12376, 22542), (13872, 20111), (14196, 19652), (14739, 18928), (15028, 18564), (16184, 17238)]