51307480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 142663680

約数和(自身を除く): 91356200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 257, 280, 310, 322, 434, 460, 514, 620, 644, 713, 805, 868, 920, 1028, 1085, 1240, 1285, 1288, 1426, 1610, 1736, 1799, 2056, 2170, 2570, 2852, 3220, 3565, 3598, 4340, 4991, 5140, 5704, 5911, 6440, 7130, 7196, 7967, 8680, 8995, 9982, 10280, 11822, 14260, 14392, 15934, 17990, 19964, 23644, 24955, 28520, 29555, 31868, 35980, 39835, 39928, 41377, 47288, 49910, 55769, 59110, 63736, 71960, 79670, 82754, 99820, 111538, 118220, 159340, 165508, 183241, 199640, 206885, 223076, 236440, 278845, 318680, 331016, 366482, 413770, 446152, 557690, 732964, 827540, 916205, 1115380, 1282687, 1465928, 1655080, 1832410, 2230760, 2565374, 3664820, 5130748, 6413435, 7329640, 10261496, 12826870, 25653740, 51307480]

約数ペア:

[(1, 51307480), (2, 25653740), (4, 12826870), (5, 10261496), (7, 7329640), (8, 6413435), (10, 5130748), (14, 3664820), (20, 2565374), (23, 2230760), (28, 1832410), (31, 1655080), (35, 1465928), (40, 1282687), (46, 1115380), (56, 916205), (62, 827540), (70, 732964), (92, 557690), (115, 446152), (124, 413770), (140, 366482), (155, 331016), (161, 318680), (184, 278845), (217, 236440), (230, 223076), (248, 206885), (257, 199640), (280, 183241), (310, 165508), (322, 159340), (434, 118220), (460, 111538), (514, 99820), (620, 82754), (644, 79670), (713, 71960), (805, 63736), (868, 59110), (920, 55769), (1028, 49910), (1085, 47288), (1240, 41377), (1285, 39928), (1288, 39835), (1426, 35980), (1610, 31868), (1736, 29555), (1799, 28520), (2056, 24955), (2170, 23644), (2570, 19964), (2852, 17990), (3220, 15934), (3565, 14392), (3598, 14260), (4340, 11822), (4991, 10280), (5140, 9982), (5704, 8995), (5911, 8680), (6440, 7967), (7130, 7196)]