77816480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 192

約数和(自身を含む): 229485312

約数和(自身を除く): 151668832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 61, 67, 68, 70, 80, 85, 112, 119, 122, 134, 136, 140, 160, 170, 224, 238, 244, 268, 272, 280, 305, 335, 340, 427, 469, 476, 488, 536, 544, 560, 595, 610, 670, 680, 854, 938, 952, 976, 1037, 1072, 1120, 1139, 1190, 1220, 1340, 1360, 1708, 1876, 1904, 1952, 2074, 2135, 2144, 2278, 2345, 2380, 2440, 2680, 2720, 3416, 3752, 3808, 4087, 4148, 4270, 4556, 4690, 4760, 4880, 5185, 5360, 5695, 6832, 7259, 7504, 7973, 8174, 8296, 8540, 9112, 9380, 9520, 9760, 10370, 10720, 11390, 13664, 14518, 15008, 15946, 16348, 16592, 17080, 18224, 18760, 19040, 20435, 20740, 22780, 28609, 29036, 31892, 32696, 33184, 34160, 36295, 36448, 37520, 39865, 40870, 41480, 45560, 57218, 58072, 63784, 65392, 68320, 69479, 72590, 75040, 79730, 81740, 82960, 91120, 114436, 116144, 127568, 130784, 138958, 143045, 145180, 159460, 163480, 165920, 182240, 228872, 232288, 255136, 277916, 286090, 290360, 318920, 326960, 347395, 457744, 486353, 555832, 572180, 580720, 637840, 653920, 694790, 915488, 972706, 1111664, 1144360, 1161440, 1275680, 1389580, 1945412, 2223328, 2288720, 2431765, 2779160, 3890824, 4577440, 4863530, 5558320, 7781648, 9727060, 11116640, 15563296, 19454120, 38908240, 77816480]

約数ペア:

[(1, 77816480), (2, 38908240), (4, 19454120), (5, 15563296), (7, 11116640), (8, 9727060), (10, 7781648), (14, 5558320), (16, 4863530), (17, 4577440), (20, 3890824), (28, 2779160), (32, 2431765), (34, 2288720), (35, 2223328), (40, 1945412), (56, 1389580), (61, 1275680), (67, 1161440), (68, 1144360), (70, 1111664), (80, 972706), (85, 915488), (112, 694790), (119, 653920), (122, 637840), (134, 580720), (136, 572180), (140, 555832), (160, 486353), (170, 457744), (224, 347395), (238, 326960), (244, 318920), (268, 290360), (272, 286090), (280, 277916), (305, 255136), (335, 232288), (340, 228872), (427, 182240), (469, 165920), (476, 163480), (488, 159460), (536, 145180), (544, 143045), (560, 138958), (595, 130784), (610, 127568), (670, 116144), (680, 114436), (854, 91120), (938, 82960), (952, 81740), (976, 79730), (1037, 75040), (1072, 72590), (1120, 69479), (1139, 68320), (1190, 65392), (1220, 63784), (1340, 58072), (1360, 57218), (1708, 45560), (1876, 41480), (1904, 40870), (1952, 39865), (2074, 37520), (2135, 36448), (2144, 36295), (2278, 34160), (2345, 33184), (2380, 32696), (2440, 31892), (2680, 29036), (2720, 28609), (3416, 22780), (3752, 20740), (3808, 20435), (4087, 19040), (4148, 18760), (4270, 18224), (4556, 17080), (4690, 16592), (4760, 16348), (4880, 15946), (5185, 15008), (5360, 14518), (5695, 13664), (6832, 11390), (7259, 10720), (7504, 10370), (7973, 9760), (8174, 9520), (8296, 9380), (8540, 9112)]