181073480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:979

約数の個数: 128

約数和(自身を含む): 502087680

約数和(自身を除く): 321014200

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, 280, 310, 322, 434, 460, 620, 644, 713, 805, 868, 907, 920, 1085, 1240, 1288, 1426, 1610, 1736, 1814, 2170, 2852, 3220, 3565, 3628, 4340, 4535, 4991, 5704, 6349, 6440, 7130, 7256, 8680, 9070, 9982, 12698, 14260, 18140, 19964, 20861, 24955, 25396, 28117, 28520, 31745, 36280, 39928, 41722, 49910, 50792, 56234, 63490, 83444, 99820, 104305, 112468, 126980, 140585, 146027, 166888, 196819, 199640, 208610, 224936, 253960, 281170, 292054, 393638, 417220, 562340, 584108, 646691, 730135, 787276, 834440, 984095, 1124680, 1168216, 1293382, 1460270, 1574552, 1968190, 2586764, 2920540, 3233455, 3936380, 4526837, 5173528, 5841080, 6466910, 7872760, 9053674, 12933820, 18107348, 22634185, 25867640, 36214696, 45268370, 90536740, 181073480]

約数ペア:

[(1, 181073480), (2, 90536740), (4, 45268370), (5, 36214696), (7, 25867640), (8, 22634185), (10, 18107348), (14, 12933820), (20, 9053674), (23, 7872760), (28, 6466910), (31, 5841080), (35, 5173528), (40, 4526837), (46, 3936380), (56, 3233455), (62, 2920540), (70, 2586764), (92, 1968190), (115, 1574552), (124, 1460270), (140, 1293382), (155, 1168216), (161, 1124680), (184, 984095), (217, 834440), (230, 787276), (248, 730135), (280, 646691), (310, 584108), (322, 562340), (434, 417220), (460, 393638), (620, 292054), (644, 281170), (713, 253960), (805, 224936), (868, 208610), (907, 199640), (920, 196819), (1085, 166888), (1240, 146027), (1288, 140585), (1426, 126980), (1610, 112468), (1736, 104305), (1814, 99820), (2170, 83444), (2852, 63490), (3220, 56234), (3565, 50792), (3628, 49910), (4340, 41722), (4535, 39928), (4991, 36280), (5704, 31745), (6349, 28520), (6440, 28117), (7130, 25396), (7256, 24955), (8680, 20861), (9070, 19964), (9982, 18140), (12698, 14260)]