138656340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{256771}}^1$

素因数の和:256789

約数の個数: 48

約数和(自身を含む): 431376960

約数和(自身を除く): 292720620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 256771, 513542, 770313, 1027084, 1283855, 1540626, 2310939, 2567710, 3081252, 3851565, 4621878, 5135420, 6932817, 7703130, 9243756, 11554695, 13865634, 15406260, 23109390, 27731268, 34664085, 46218780, 69328170, 138656340]

約数ペア:

[(1, 138656340), (2, 69328170), (3, 46218780), (4, 34664085), (5, 27731268), (6, 23109390), (9, 15406260), (10, 13865634), (12, 11554695), (15, 9243756), (18, 7703130), (20, 6932817), (27, 5135420), (30, 4621878), (36, 3851565), (45, 3081252), (54, 2567710), (60, 2310939), (90, 1540626), (108, 1283855), (135, 1027084), (180, 770313), (270, 513542), (540, 256771)]