318976740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{18269}}^1$

素因数の和:18381

約数の個数: 72

約数和(自身を含む): 977591160

約数和(自身を除く): 658614420

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, 18269, 36538, 54807, 73076, 91345, 109614, 164421, 182690, 219228, 274035, 328842, 365380, 548070, 657684, 822105, 1096140, 1644210, 1772093, 3288420, 3544186, 5316279, 7088372, 8860465, 10632558, 15948837, 17720930, 21265116, 26581395, 31897674, 35441860, 53162790, 63795348, 79744185, 106325580, 159488370, 318976740]

約数ペア:

[(1, 318976740), (2, 159488370), (3, 106325580), (4, 79744185), (5, 63795348), (6, 53162790), (9, 35441860), (10, 31897674), (12, 26581395), (15, 21265116), (18, 17720930), (20, 15948837), (30, 10632558), (36, 8860465), (45, 7088372), (60, 5316279), (90, 3544186), (97, 3288420), (180, 1772093), (194, 1644210), (291, 1096140), (388, 822105), (485, 657684), (582, 548070), (873, 365380), (970, 328842), (1164, 274035), (1455, 219228), (1746, 182690), (1940, 164421), (2910, 109614), (3492, 91345), (4365, 73076), (5820, 54807), (8730, 36538), (17460, 18269)]