65811780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2791}}^1$

素因数の和:2937

約数の個数: 72

約数和(自身を含む): 201225024

約数和(自身を除く): 135413244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 2791, 3930, 4716, 5582, 5895, 7860, 8373, 11164, 11790, 13955, 16746, 23580, 25119, 27910, 33492, 41865, 50238, 55820, 83730, 100476, 125595, 167460, 251190, 365621, 502380, 731242, 1096863, 1462484, 1828105, 2193726, 3290589, 3656210, 4387452, 5484315, 6581178, 7312420, 10968630, 13162356, 16452945, 21937260, 32905890, 65811780]

約数ペア:

[(1, 65811780), (2, 32905890), (3, 21937260), (4, 16452945), (5, 13162356), (6, 10968630), (9, 7312420), (10, 6581178), (12, 5484315), (15, 4387452), (18, 3656210), (20, 3290589), (30, 2193726), (36, 1828105), (45, 1462484), (60, 1096863), (90, 731242), (131, 502380), (180, 365621), (262, 251190), (393, 167460), (524, 125595), (655, 100476), (786, 83730), (1179, 55820), (1310, 50238), (1572, 41865), (1965, 33492), (2358, 27910), (2620, 25119), (2791, 23580), (3930, 16746), (4716, 13955), (5582, 11790), (5895, 11164), (7860, 8373)]