81311496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 242810880

約数和(自身を除く): 161499384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 103, 111, 127, 148, 168, 206, 222, 254, 259, 296, 309, 381, 412, 444, 508, 518, 618, 721, 762, 777, 824, 888, 889, 1016, 1036, 1236, 1442, 1524, 1554, 1778, 2072, 2163, 2472, 2667, 2884, 3048, 3108, 3556, 3811, 4326, 4699, 5334, 5768, 6216, 7112, 7622, 8652, 9398, 10668, 11433, 13081, 14097, 15244, 17304, 18796, 21336, 22866, 26162, 26677, 28194, 30488, 32893, 37592, 39243, 45732, 52324, 53354, 56388, 65786, 78486, 80031, 91464, 91567, 98679, 104648, 106708, 112776, 131572, 156972, 160062, 183134, 197358, 213416, 263144, 274701, 313944, 320124, 366268, 394716, 483997, 549402, 640248, 732536, 789432, 967994, 1098804, 1451991, 1935988, 2197608, 2903982, 3387979, 3871976, 5807964, 6775958, 10163937, 11615928, 13551916, 20327874, 27103832, 40655748, 81311496]

約数ペア:

[(1, 81311496), (2, 40655748), (3, 27103832), (4, 20327874), (6, 13551916), (7, 11615928), (8, 10163937), (12, 6775958), (14, 5807964), (21, 3871976), (24, 3387979), (28, 2903982), (37, 2197608), (42, 1935988), (56, 1451991), (74, 1098804), (84, 967994), (103, 789432), (111, 732536), (127, 640248), (148, 549402), (168, 483997), (206, 394716), (222, 366268), (254, 320124), (259, 313944), (296, 274701), (309, 263144), (381, 213416), (412, 197358), (444, 183134), (508, 160062), (518, 156972), (618, 131572), (721, 112776), (762, 106708), (777, 104648), (824, 98679), (888, 91567), (889, 91464), (1016, 80031), (1036, 78486), (1236, 65786), (1442, 56388), (1524, 53354), (1554, 52324), (1778, 45732), (2072, 39243), (2163, 37592), (2472, 32893), (2667, 30488), (2884, 28194), (3048, 26677), (3108, 26162), (3556, 22866), (3811, 21336), (4326, 18796), (4699, 17304), (5334, 15244), (5768, 14097), (6216, 13081), (7112, 11433), (7622, 10668), (8652, 9398)]