55254780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43853}}^1$

素因数の和:43875

約数の個数: 72

約数和(自身を含む): 191554272

約数和(自身を除く): 136299492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 43853, 87706, 131559, 175412, 219265, 263118, 306971, 394677, 438530, 526236, 613942, 657795, 789354, 877060, 920913, 1227884, 1315590, 1534855, 1578708, 1841826, 1973385, 2631180, 2762739, 3069710, 3683652, 3946770, 4604565, 5525478, 6139420, 7893540, 9209130, 11050956, 13813695, 18418260, 27627390, 55254780]

約数ペア:

[(1, 55254780), (2, 27627390), (3, 18418260), (4, 13813695), (5, 11050956), (6, 9209130), (7, 7893540), (9, 6139420), (10, 5525478), (12, 4604565), (14, 3946770), (15, 3683652), (18, 3069710), (20, 2762739), (21, 2631180), (28, 1973385), (30, 1841826), (35, 1578708), (36, 1534855), (42, 1315590), (45, 1227884), (60, 920913), (63, 877060), (70, 789354), (84, 657795), (90, 613942), (105, 526236), (126, 438530), (140, 394677), (180, 306971), (210, 263118), (252, 219265), (315, 175412), (420, 131559), (630, 87706), (1260, 43853)]