31585860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{463}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 96270720

約数和(自身を除く): 64684860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 463, 758, 926, 1137, 1389, 1516, 1852, 1895, 2274, 2315, 2778, 3411, 3790, 4167, 4548, 4630, 5556, 5685, 6822, 6945, 7580, 8334, 9260, 11370, 13644, 13890, 16668, 17055, 20835, 22740, 27780, 34110, 41670, 68220, 83340, 175477, 350954, 526431, 701908, 877385, 1052862, 1579293, 1754770, 2105724, 2632155, 3158586, 3509540, 5264310, 6317172, 7896465, 10528620, 15792930, 31585860]

約数ペア:

[(1, 31585860), (2, 15792930), (3, 10528620), (4, 7896465), (5, 6317172), (6, 5264310), (9, 3509540), (10, 3158586), (12, 2632155), (15, 2105724), (18, 1754770), (20, 1579293), (30, 1052862), (36, 877385), (45, 701908), (60, 526431), (90, 350954), (180, 175477), (379, 83340), (463, 68220), (758, 41670), (926, 34110), (1137, 27780), (1389, 22740), (1516, 20835), (1852, 17055), (1895, 16668), (2274, 13890), (2315, 13644), (2778, 11370), (3411, 9260), (3790, 8334), (4167, 7580), (4548, 6945), (4630, 6822), (5556, 5685)]