72009280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 224

約数和(自身を含む): 217700352

約数和(自身を除く): 145691072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 61, 62, 64, 68, 70, 80, 85, 112, 119, 122, 124, 136, 140, 155, 160, 170, 217, 224, 238, 244, 248, 272, 280, 305, 310, 320, 340, 427, 434, 448, 476, 488, 496, 527, 544, 560, 595, 610, 620, 680, 854, 868, 952, 976, 992, 1037, 1054, 1085, 1088, 1120, 1190, 1220, 1240, 1360, 1708, 1736, 1891, 1904, 1952, 1984, 2074, 2108, 2135, 2170, 2240, 2380, 2440, 2480, 2635, 2720, 3416, 3472, 3689, 3782, 3808, 3904, 4148, 4216, 4270, 4340, 4760, 4880, 4960, 5185, 5270, 5440, 6832, 6944, 7259, 7378, 7564, 7616, 8296, 8432, 8540, 8680, 9455, 9520, 9760, 9920, 10370, 10540, 13237, 13664, 13888, 14518, 14756, 15128, 16592, 16864, 17080, 17360, 18445, 18910, 19040, 19520, 20740, 21080, 26474, 27328, 29036, 29512, 30256, 32147, 33184, 33728, 34160, 34720, 36295, 36890, 37820, 38080, 41480, 42160, 52948, 58072, 59024, 60512, 64294, 66185, 66368, 68320, 69440, 72590, 73780, 75640, 82960, 84320, 105896, 116144, 118048, 121024, 128588, 132370, 136640, 145180, 147560, 151280, 160735, 165920, 168640, 211792, 225029, 232288, 236096, 257176, 264740, 290360, 295120, 302560, 321470, 331840, 423584, 450058, 464576, 514352, 529480, 580720, 590240, 605120, 642940, 847168, 900116, 1028704, 1058960, 1125145, 1161440, 1180480, 1285880, 1800232, 2057408, 2117920, 2250290, 2322880, 2571760, 3600464, 4235840, 4500580, 5143520, 7200928, 9001160, 10287040, 14401856, 18002320, 36004640, 72009280]

約数ペア:

[(1, 72009280), (2, 36004640), (4, 18002320), (5, 14401856), (7, 10287040), (8, 9001160), (10, 7200928), (14, 5143520), (16, 4500580), (17, 4235840), (20, 3600464), (28, 2571760), (31, 2322880), (32, 2250290), (34, 2117920), (35, 2057408), (40, 1800232), (56, 1285880), (61, 1180480), (62, 1161440), (64, 1125145), (68, 1058960), (70, 1028704), (80, 900116), (85, 847168), (112, 642940), (119, 605120), (122, 590240), (124, 580720), (136, 529480), (140, 514352), (155, 464576), (160, 450058), (170, 423584), (217, 331840), (224, 321470), (238, 302560), (244, 295120), (248, 290360), (272, 264740), (280, 257176), (305, 236096), (310, 232288), (320, 225029), (340, 211792), (427, 168640), (434, 165920), (448, 160735), (476, 151280), (488, 147560), (496, 145180), (527, 136640), (544, 132370), (560, 128588), (595, 121024), (610, 118048), (620, 116144), (680, 105896), (854, 84320), (868, 82960), (952, 75640), (976, 73780), (992, 72590), (1037, 69440), (1054, 68320), (1085, 66368), (1088, 66185), (1120, 64294), (1190, 60512), (1220, 59024), (1240, 58072), (1360, 52948), (1708, 42160), (1736, 41480), (1891, 38080), (1904, 37820), (1952, 36890), (1984, 36295), (2074, 34720), (2108, 34160), (2135, 33728), (2170, 33184), (2240, 32147), (2380, 30256), (2440, 29512), (2480, 29036), (2635, 27328), (2720, 26474), (3416, 21080), (3472, 20740), (3689, 19520), (3782, 19040), (3808, 18910), (3904, 18445), (4148, 17360), (4216, 17080), (4270, 16864), (4340, 16592), (4760, 15128), (4880, 14756), (4960, 14518), (5185, 13888), (5270, 13664), (5440, 13237), (6832, 10540), (6944, 10370), (7259, 9920), (7378, 9760), (7564, 9520), (7616, 9455), (8296, 8680), (8432, 8540)]