656550540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{214559}}^1$

素因数の和:214591

約数の個数: 72

約数和(自身を含む): 2108695680

約数和(自身を除く): 1452145140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 214559, 429118, 643677, 858236, 1072795, 1287354, 1931031, 2145590, 2574708, 3218385, 3647503, 3862062, 4291180, 6436770, 7295006, 7724124, 9655155, 10942509, 12873540, 14590012, 18237515, 19310310, 21885018, 32827527, 36475030, 38620620, 43770036, 54712545, 65655054, 72950060, 109425090, 131310108, 164137635, 218850180, 328275270, 656550540]

約数ペア:

[(1, 656550540), (2, 328275270), (3, 218850180), (4, 164137635), (5, 131310108), (6, 109425090), (9, 72950060), (10, 65655054), (12, 54712545), (15, 43770036), (17, 38620620), (18, 36475030), (20, 32827527), (30, 21885018), (34, 19310310), (36, 18237515), (45, 14590012), (51, 12873540), (60, 10942509), (68, 9655155), (85, 7724124), (90, 7295006), (102, 6436770), (153, 4291180), (170, 3862062), (180, 3647503), (204, 3218385), (255, 2574708), (306, 2145590), (340, 1931031), (510, 1287354), (612, 1072795), (765, 858236), (1020, 643677), (1530, 429118), (3060, 214559)]