81297888

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 245306880

約数和(自身を除く): 164008992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 311, 336, 389, 622, 672, 778, 933, 1167, 1244, 1556, 1866, 2177, 2334, 2488, 2723, 3112, 3732, 4354, 4668, 4976, 5446, 6224, 6531, 7464, 8169, 8708, 9336, 9952, 10892, 12448, 13062, 14928, 16338, 17416, 18672, 21784, 26124, 29856, 32676, 34832, 37344, 43568, 52248, 65352, 69664, 87136, 104496, 120979, 130704, 208992, 241958, 261408, 362937, 483916, 725874, 846853, 967832, 1451748, 1693706, 1935664, 2540559, 2903496, 3387412, 3871328, 5081118, 5806992, 6774824, 10162236, 11613984, 13549648, 20324472, 27099296, 40648944, 81297888]

約数ペア:

[(1, 81297888), (2, 40648944), (3, 27099296), (4, 20324472), (6, 13549648), (7, 11613984), (8, 10162236), (12, 6774824), (14, 5806992), (16, 5081118), (21, 3871328), (24, 3387412), (28, 2903496), (32, 2540559), (42, 1935664), (48, 1693706), (56, 1451748), (84, 967832), (96, 846853), (112, 725874), (168, 483916), (224, 362937), (311, 261408), (336, 241958), (389, 208992), (622, 130704), (672, 120979), (778, 104496), (933, 87136), (1167, 69664), (1244, 65352), (1556, 52248), (1866, 43568), (2177, 37344), (2334, 34832), (2488, 32676), (2723, 29856), (3112, 26124), (3732, 21784), (4354, 18672), (4668, 17416), (4976, 16338), (5446, 14928), (6224, 13062), (6531, 12448), (7464, 10892), (8169, 9952), (8708, 9336)]