280706712

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1041

約数の個数: 128

約数和(自身を含む): 834624000

約数和(自身を除く): 553917288

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 89, 104, 132, 143, 156, 178, 264, 267, 286, 312, 356, 429, 534, 572, 712, 858, 919, 979, 1068, 1144, 1157, 1716, 1838, 1958, 2136, 2314, 2757, 2937, 3432, 3471, 3676, 3916, 4628, 5514, 5874, 6942, 7352, 7832, 9256, 10109, 11028, 11748, 11947, 12727, 13884, 20218, 22056, 23496, 23894, 25454, 27768, 30327, 35841, 38181, 40436, 47788, 50908, 60654, 71682, 76362, 80872, 81791, 95576, 101816, 121308, 131417, 143364, 152724, 163582, 242616, 245373, 262834, 286728, 305448, 327164, 394251, 490746, 525668, 654328, 788502, 899701, 981492, 1051336, 1063283, 1577004, 1799402, 1962984, 2126566, 2699103, 3154008, 3189849, 3598804, 4253132, 5398206, 6379698, 7197608, 8506264, 10796412, 11696113, 12759396, 21592824, 23392226, 25518792, 35088339, 46784452, 70176678, 93568904, 140353356, 280706712]

約数ペア:

[(1, 280706712), (2, 140353356), (3, 93568904), (4, 70176678), (6, 46784452), (8, 35088339), (11, 25518792), (12, 23392226), (13, 21592824), (22, 12759396), (24, 11696113), (26, 10796412), (33, 8506264), (39, 7197608), (44, 6379698), (52, 5398206), (66, 4253132), (78, 3598804), (88, 3189849), (89, 3154008), (104, 2699103), (132, 2126566), (143, 1962984), (156, 1799402), (178, 1577004), (264, 1063283), (267, 1051336), (286, 981492), (312, 899701), (356, 788502), (429, 654328), (534, 525668), (572, 490746), (712, 394251), (858, 327164), (919, 305448), (979, 286728), (1068, 262834), (1144, 245373), (1157, 242616), (1716, 163582), (1838, 152724), (1958, 143364), (2136, 131417), (2314, 121308), (2757, 101816), (2937, 95576), (3432, 81791), (3471, 80872), (3676, 76362), (3916, 71682), (4628, 60654), (5514, 50908), (5874, 47788), (6942, 40436), (7352, 38181), (7832, 35841), (9256, 30327), (10109, 27768), (11028, 25454), (11748, 23894), (11947, 23496), (12727, 22056), (13884, 20218)]