68004720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 265554432

約数和(自身を除く): 197549712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 103, 105, 112, 120, 126, 131, 140, 144, 168, 180, 206, 210, 240, 252, 262, 280, 309, 315, 336, 360, 393, 412, 420, 504, 515, 524, 560, 618, 630, 655, 720, 721, 786, 824, 840, 917, 927, 1008, 1030, 1048, 1179, 1236, 1260, 1310, 1442, 1545, 1572, 1648, 1680, 1834, 1854, 1965, 2060, 2096, 2163, 2358, 2472, 2520, 2620, 2751, 2884, 3090, 3144, 3605, 3668, 3708, 3930, 4120, 4326, 4585, 4635, 4716, 4944, 5040, 5240, 5502, 5768, 5895, 6180, 6288, 6489, 7210, 7336, 7416, 7860, 8240, 8253, 8652, 9170, 9270, 9432, 10480, 10815, 11004, 11536, 11790, 12360, 12978, 13493, 13755, 14420, 14672, 14832, 15720, 16506, 17304, 18340, 18540, 18864, 21630, 22008, 23580, 24720, 25956, 26986, 27510, 28840, 31440, 32445, 33012, 34608, 36680, 37080, 40479, 41265, 43260, 44016, 47160, 51912, 53972, 55020, 57680, 64890, 66024, 67465, 73360, 74160, 80958, 82530, 86520, 94320, 94451, 103824, 107944, 110040, 121437, 129780, 132048, 134930, 161916, 165060, 173040, 188902, 202395, 215888, 220080, 242874, 259560, 269860, 283353, 323832, 330120, 377804, 404790, 472255, 485748, 519120, 539720, 566706, 607185, 647664, 660240, 755608, 809580, 850059, 944510, 971496, 1079440, 1133412, 1214370, 1416765, 1511216, 1619160, 1700118, 1889020, 1942992, 2266824, 2428740, 2833530, 3238320, 3400236, 3778040, 4250295, 4533648, 4857480, 5667060, 6800472, 7556080, 8500590, 9714960, 11334120, 13600944, 17001180, 22668240, 34002360, 68004720]

約数ペア:

[(1, 68004720), (2, 34002360), (3, 22668240), (4, 17001180), (5, 13600944), (6, 11334120), (7, 9714960), (8, 8500590), (9, 7556080), (10, 6800472), (12, 5667060), (14, 4857480), (15, 4533648), (16, 4250295), (18, 3778040), (20, 3400236), (21, 3238320), (24, 2833530), (28, 2428740), (30, 2266824), (35, 1942992), (36, 1889020), (40, 1700118), (42, 1619160), (45, 1511216), (48, 1416765), (56, 1214370), (60, 1133412), (63, 1079440), (70, 971496), (72, 944510), (80, 850059), (84, 809580), (90, 755608), (103, 660240), (105, 647664), (112, 607185), (120, 566706), (126, 539720), (131, 519120), (140, 485748), (144, 472255), (168, 404790), (180, 377804), (206, 330120), (210, 323832), (240, 283353), (252, 269860), (262, 259560), (280, 242874), (309, 220080), (315, 215888), (336, 202395), (360, 188902), (393, 173040), (412, 165060), (420, 161916), (504, 134930), (515, 132048), (524, 129780), (560, 121437), (618, 110040), (630, 107944), (655, 103824), (720, 94451), (721, 94320), (786, 86520), (824, 82530), (840, 80958), (917, 74160), (927, 73360), (1008, 67465), (1030, 66024), (1048, 64890), (1179, 57680), (1236, 55020), (1260, 53972), (1310, 51912), (1442, 47160), (1545, 44016), (1572, 43260), (1648, 41265), (1680, 40479), (1834, 37080), (1854, 36680), (1965, 34608), (2060, 33012), (2096, 32445), (2163, 31440), (2358, 28840), (2472, 27510), (2520, 26986), (2620, 25956), (2751, 24720), (2884, 23580), (3090, 22008), (3144, 21630), (3605, 18864), (3668, 18540), (3708, 18340), (3930, 17304), (4120, 16506), (4326, 15720), (4585, 14832), (4635, 14672), (4716, 14420), (4944, 13755), (5040, 13493), (5240, 12978), (5502, 12360), (5768, 11790), (5895, 11536), (6180, 11004), (6288, 10815), (6489, 10480), (7210, 9432), (7336, 9270), (7416, 9170), (7860, 8652), (8240, 8253)]