256447890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55871}}^1$

素因数の和:55904

約数の個数: 64

約数和(自身を含む): 724101120

約数和(自身を除く): 467653230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4590, 55871, 111742, 167613, 279355, 335226, 502839, 558710, 838065, 949807, 1005678, 1508517, 1676130, 1899614, 2514195, 2849421, 3017034, 4749035, 5028390, 5698842, 7542585, 8548263, 9498070, 14247105, 15085170, 17096526, 25644789, 28494210, 42741315, 51289578, 85482630, 128223945, 256447890]

約数ペア:

[(1, 256447890), (2, 128223945), (3, 85482630), (5, 51289578), (6, 42741315), (9, 28494210), (10, 25644789), (15, 17096526), (17, 15085170), (18, 14247105), (27, 9498070), (30, 8548263), (34, 7542585), (45, 5698842), (51, 5028390), (54, 4749035), (85, 3017034), (90, 2849421), (102, 2514195), (135, 1899614), (153, 1676130), (170, 1508517), (255, 1005678), (270, 949807), (306, 838065), (459, 558710), (510, 502839), (765, 335226), (918, 279355), (1530, 167613), (2295, 111742), (4590, 55871)]