206595540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2663}}^1$

素因数の和:3109

約数の個数: 72

約数和(自身を含む): 628363008

約数和(自身を除く): 421767468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 1293, 1724, 2155, 2586, 2663, 3879, 4310, 5172, 5326, 6465, 7758, 7989, 8620, 10652, 12930, 13315, 15516, 15978, 19395, 23967, 25860, 26630, 31956, 38790, 39945, 47934, 53260, 77580, 79890, 95868, 119835, 159780, 239670, 479340, 1147753, 2295506, 3443259, 4591012, 5738765, 6886518, 10329777, 11477530, 13773036, 17216295, 20659554, 22955060, 34432590, 41319108, 51648885, 68865180, 103297770, 206595540]

約数ペア:

[(1, 206595540), (2, 103297770), (3, 68865180), (4, 51648885), (5, 41319108), (6, 34432590), (9, 22955060), (10, 20659554), (12, 17216295), (15, 13773036), (18, 11477530), (20, 10329777), (30, 6886518), (36, 5738765), (45, 4591012), (60, 3443259), (90, 2295506), (180, 1147753), (431, 479340), (862, 239670), (1293, 159780), (1724, 119835), (2155, 95868), (2586, 79890), (2663, 77580), (3879, 53260), (4310, 47934), (5172, 39945), (5326, 38790), (6465, 31956), (7758, 26630), (7989, 25860), (8620, 23967), (10652, 19395), (12930, 15978), (13315, 15516)]