645805890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{5507}}^1$

素因数の和:6823

約数の個数: 48

約数和(自身を含む): 1680689088

約数和(自身を除く): 1034883198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1303, 2606, 3909, 5507, 6515, 7818, 11014, 11727, 13030, 16521, 19545, 23454, 27535, 33042, 39090, 49563, 55070, 58635, 82605, 99126, 117270, 165210, 247815, 495630, 7175621, 14351242, 21526863, 35878105, 43053726, 64580589, 71756210, 107634315, 129161178, 215268630, 322902945, 645805890]

約数ペア:

[(1, 645805890), (2, 322902945), (3, 215268630), (5, 129161178), (6, 107634315), (9, 71756210), (10, 64580589), (15, 43053726), (18, 35878105), (30, 21526863), (45, 14351242), (90, 7175621), (1303, 495630), (2606, 247815), (3909, 165210), (5507, 117270), (6515, 99126), (7818, 82605), (11014, 58635), (11727, 55070), (13030, 49563), (16521, 39090), (19545, 33042), (23454, 27535)]