1640987640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1519433}}^1$

素因数の和:1519453

約数の個数: 64

約数和(自身を含む): 5469962400

約数和(自身を除く): 3828974760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1519433, 3038866, 4558299, 6077732, 7597165, 9116598, 12155464, 13674897, 15194330, 18233196, 22791495, 27349794, 30388660, 36466392, 41024691, 45582990, 54699588, 60777320, 68374485, 82049382, 91165980, 109399176, 136748970, 164098764, 182331960, 205123455, 273497940, 328197528, 410246910, 546995880, 820493820, 1640987640]

約数ペア:

[(1, 1640987640), (2, 820493820), (3, 546995880), (4, 410246910), (5, 328197528), (6, 273497940), (8, 205123455), (9, 182331960), (10, 164098764), (12, 136748970), (15, 109399176), (18, 91165980), (20, 82049382), (24, 68374485), (27, 60777320), (30, 54699588), (36, 45582990), (40, 41024691), (45, 36466392), (54, 30388660), (60, 27349794), (72, 22791495), (90, 18233196), (108, 15194330), (120, 13674897), (135, 12155464), (180, 9116598), (216, 7597165), (270, 6077732), (360, 4558299), (540, 3038866), (1080, 1519433)]