138980340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{257371}}^1$

素因数の和:257389

約数の個数: 48

約数和(自身を含む): 432384960

約数和(自身を除く): 293404620

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, 257371, 514742, 772113, 1029484, 1286855, 1544226, 2316339, 2573710, 3088452, 3860565, 4632678, 5147420, 6949017, 7721130, 9265356, 11581695, 13898034, 15442260, 23163390, 27796068, 34745085, 46326780, 69490170, 138980340]

約数ペア:

[(1, 138980340), (2, 69490170), (3, 46326780), (4, 34745085), (5, 27796068), (6, 23163390), (9, 15442260), (10, 13898034), (12, 11581695), (15, 9265356), (18, 7721130), (20, 6949017), (27, 5147420), (30, 4632678), (36, 3860565), (45, 3088452), (54, 2573710), (60, 2316339), (90, 1544226), (108, 1286855), (135, 1029484), (180, 772113), (270, 514742), (540, 257371)]