278300340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{515371}}^1$

素因数の和:515389

約数の個数: 48

約数和(自身を含む): 865824960

約数和(自身を除く): 587524620

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, 515371, 1030742, 1546113, 2061484, 2576855, 3092226, 4638339, 5153710, 6184452, 7730565, 9276678, 10307420, 13915017, 15461130, 18553356, 23191695, 27830034, 30922260, 46383390, 55660068, 69575085, 92766780, 139150170, 278300340]

約数ペア:

[(1, 278300340), (2, 139150170), (3, 92766780), (4, 69575085), (5, 55660068), (6, 46383390), (9, 30922260), (10, 27830034), (12, 23191695), (15, 18553356), (18, 15461130), (20, 13915017), (27, 10307420), (30, 9276678), (36, 7730565), (45, 6184452), (54, 5153710), (60, 4638339), (90, 3092226), (108, 2576855), (135, 2061484), (180, 1546113), (270, 1030742), (540, 515371)]