71800720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 173703168

約数和(自身を除く): 101902448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 127, 148, 185, 191, 254, 296, 370, 382, 508, 592, 635, 740, 764, 955, 1016, 1270, 1480, 1528, 1910, 2032, 2540, 2960, 3056, 3820, 4699, 5080, 7067, 7640, 9398, 10160, 14134, 15280, 18796, 23495, 24257, 28268, 35335, 37592, 46990, 48514, 56536, 70670, 75184, 93980, 97028, 113072, 121285, 141340, 187960, 194056, 242570, 282680, 375920, 388112, 485140, 565360, 897509, 970280, 1795018, 1940560, 3590036, 4487545, 7180072, 8975090, 14360144, 17950180, 35900360, 71800720]

約数ペア:

[(1, 71800720), (2, 35900360), (4, 17950180), (5, 14360144), (8, 8975090), (10, 7180072), (16, 4487545), (20, 3590036), (37, 1940560), (40, 1795018), (74, 970280), (80, 897509), (127, 565360), (148, 485140), (185, 388112), (191, 375920), (254, 282680), (296, 242570), (370, 194056), (382, 187960), (508, 141340), (592, 121285), (635, 113072), (740, 97028), (764, 93980), (955, 75184), (1016, 70670), (1270, 56536), (1480, 48514), (1528, 46990), (1910, 37592), (2032, 35335), (2540, 28268), (2960, 24257), (3056, 23495), (3820, 18796), (4699, 15280), (5080, 14134), (7067, 10160), (7640, 9398)]