254811780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10333}}^1$

素因数の和:10485

約数の個数: 72

約数和(自身を含む): 778646232

約数和(自身を除く): 523834452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 10333, 12330, 20666, 24660, 30999, 41332, 51665, 61998, 92997, 103330, 123996, 154995, 185994, 206660, 309990, 371988, 464985, 619980, 929970, 1415621, 1859940, 2831242, 4246863, 5662484, 7078105, 8493726, 12740589, 14156210, 16987452, 21234315, 25481178, 28312420, 42468630, 50962356, 63702945, 84937260, 127405890, 254811780]

約数ペア:

[(1, 254811780), (2, 127405890), (3, 84937260), (4, 63702945), (5, 50962356), (6, 42468630), (9, 28312420), (10, 25481178), (12, 21234315), (15, 16987452), (18, 14156210), (20, 12740589), (30, 8493726), (36, 7078105), (45, 5662484), (60, 4246863), (90, 2831242), (137, 1859940), (180, 1415621), (274, 929970), (411, 619980), (548, 464985), (685, 371988), (822, 309990), (1233, 206660), (1370, 185994), (1644, 154995), (2055, 123996), (2466, 103330), (2740, 92997), (4110, 61998), (4932, 51665), (6165, 41332), (8220, 30999), (10333, 24660), (12330, 20666)]