313948260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{17981}}^1$

素因数の和:18093

約数の個数: 72

約数和(自身を含む): 962180856

約数和(自身を除く): 648232596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 17460, 17981, 35962, 53943, 71924, 89905, 107886, 161829, 179810, 215772, 269715, 323658, 359620, 539430, 647316, 809145, 1078860, 1618290, 1744157, 3236580, 3488314, 5232471, 6976628, 8720785, 10464942, 15697413, 17441570, 20929884, 26162355, 31394826, 34883140, 52324710, 62789652, 78487065, 104649420, 156974130, 313948260]

約数ペア:

[(1, 313948260), (2, 156974130), (3, 104649420), (4, 78487065), (5, 62789652), (6, 52324710), (9, 34883140), (10, 31394826), (12, 26162355), (15, 20929884), (18, 17441570), (20, 15697413), (30, 10464942), (36, 8720785), (45, 6976628), (60, 5232471), (90, 3488314), (97, 3236580), (180, 1744157), (194, 1618290), (291, 1078860), (388, 809145), (485, 647316), (582, 539430), (873, 359620), (970, 323658), (1164, 269715), (1455, 215772), (1746, 179810), (1940, 161829), (2910, 107886), (3492, 89905), (4365, 71924), (5820, 53943), (8730, 35962), (17460, 17981)]