51003540

素因数分解:

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

素因数の和:259

約数の個数: 192

約数和(自身を含む): 184504320

約数和(自身を除く): 133500780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 103, 105, 108, 126, 131, 135, 140, 180, 189, 206, 210, 252, 262, 270, 309, 315, 378, 393, 412, 420, 515, 524, 540, 618, 630, 655, 721, 756, 786, 917, 927, 945, 1030, 1179, 1236, 1260, 1310, 1442, 1545, 1572, 1834, 1854, 1890, 1965, 2060, 2163, 2358, 2620, 2751, 2781, 2884, 3090, 3537, 3605, 3668, 3708, 3780, 3930, 4326, 4585, 4635, 4716, 5502, 5562, 5895, 6180, 6489, 7074, 7210, 7860, 8253, 8652, 9170, 9270, 10815, 11004, 11124, 11790, 12978, 13493, 13755, 13905, 14148, 14420, 16506, 17685, 18340, 18540, 19467, 21630, 23580, 24759, 25956, 26986, 27510, 27810, 32445, 33012, 35370, 38934, 40479, 41265, 43260, 49518, 53972, 55020, 55620, 64890, 67465, 70740, 77868, 80958, 82530, 94451, 97335, 99036, 121437, 123795, 129780, 134930, 161916, 165060, 188902, 194670, 202395, 242874, 247590, 269860, 283353, 364311, 377804, 389340, 404790, 472255, 485748, 495180, 566706, 607185, 728622, 809580, 850059, 944510, 1133412, 1214370, 1416765, 1457244, 1700118, 1821555, 1889020, 2428740, 2550177, 2833530, 3400236, 3643110, 4250295, 5100354, 5667060, 7286220, 8500590, 10200708, 12750885, 17001180, 25501770, 51003540]

約数ペア:

[(1, 51003540), (2, 25501770), (3, 17001180), (4, 12750885), (5, 10200708), (6, 8500590), (7, 7286220), (9, 5667060), (10, 5100354), (12, 4250295), (14, 3643110), (15, 3400236), (18, 2833530), (20, 2550177), (21, 2428740), (27, 1889020), (28, 1821555), (30, 1700118), (35, 1457244), (36, 1416765), (42, 1214370), (45, 1133412), (54, 944510), (60, 850059), (63, 809580), (70, 728622), (84, 607185), (90, 566706), (103, 495180), (105, 485748), (108, 472255), (126, 404790), (131, 389340), (135, 377804), (140, 364311), (180, 283353), (189, 269860), (206, 247590), (210, 242874), (252, 202395), (262, 194670), (270, 188902), (309, 165060), (315, 161916), (378, 134930), (393, 129780), (412, 123795), (420, 121437), (515, 99036), (524, 97335), (540, 94451), (618, 82530), (630, 80958), (655, 77868), (721, 70740), (756, 67465), (786, 64890), (917, 55620), (927, 55020), (945, 53972), (1030, 49518), (1179, 43260), (1236, 41265), (1260, 40479), (1310, 38934), (1442, 35370), (1545, 33012), (1572, 32445), (1834, 27810), (1854, 27510), (1890, 26986), (1965, 25956), (2060, 24759), (2163, 23580), (2358, 21630), (2620, 19467), (2751, 18540), (2781, 18340), (2884, 17685), (3090, 16506), (3537, 14420), (3605, 14148), (3668, 13905), (3708, 13755), (3780, 13493), (3930, 12978), (4326, 11790), (4585, 11124), (4635, 11004), (4716, 10815), (5502, 9270), (5562, 9170), (5895, 8652), (6180, 8253), (6489, 7860), (7074, 7210)]