667720620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2663}}^1$

素因数の和:2884

約数の個数: 144

約数和(自身を含む): 2327270400

約数和(自身を除く): 1659549780

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, 199, 210, 252, 315, 398, 420, 597, 630, 796, 995, 1194, 1260, 1393, 1791, 1990, 2388, 2663, 2786, 2985, 3582, 3980, 4179, 5326, 5572, 5970, 6965, 7164, 7989, 8358, 8955, 10652, 11940, 12537, 13315, 13930, 15978, 16716, 17910, 18641, 20895, 23967, 25074, 26630, 27860, 31956, 35820, 37282, 39945, 41790, 47934, 50148, 53260, 55923, 62685, 74564, 79890, 83580, 93205, 95868, 111846, 119835, 125370, 159780, 167769, 186410, 223692, 239670, 250740, 279615, 335538, 372820, 479340, 529937, 559230, 671076, 838845, 1059874, 1118460, 1589811, 1677690, 2119748, 2649685, 3179622, 3355380, 3709559, 4769433, 5299370, 6359244, 7419118, 7949055, 9538866, 10598740, 11128677, 14838236, 15898110, 18547795, 19077732, 22257354, 23847165, 31796220, 33386031, 37095590, 44514708, 47694330, 55643385, 66772062, 74191180, 95388660, 111286770, 133544124, 166930155, 222573540, 333860310, 667720620]

約数ペア:

[(1, 667720620), (2, 333860310), (3, 222573540), (4, 166930155), (5, 133544124), (6, 111286770), (7, 95388660), (9, 74191180), (10, 66772062), (12, 55643385), (14, 47694330), (15, 44514708), (18, 37095590), (20, 33386031), (21, 31796220), (28, 23847165), (30, 22257354), (35, 19077732), (36, 18547795), (42, 15898110), (45, 14838236), (60, 11128677), (63, 10598740), (70, 9538866), (84, 7949055), (90, 7419118), (105, 6359244), (126, 5299370), (140, 4769433), (180, 3709559), (199, 3355380), (210, 3179622), (252, 2649685), (315, 2119748), (398, 1677690), (420, 1589811), (597, 1118460), (630, 1059874), (796, 838845), (995, 671076), (1194, 559230), (1260, 529937), (1393, 479340), (1791, 372820), (1990, 335538), (2388, 279615), (2663, 250740), (2786, 239670), (2985, 223692), (3582, 186410), (3980, 167769), (4179, 159780), (5326, 125370), (5572, 119835), (5970, 111846), (6965, 95868), (7164, 93205), (7989, 83580), (8358, 79890), (8955, 74564), (10652, 62685), (11940, 55923), (12537, 53260), (13315, 50148), (13930, 47934), (15978, 41790), (16716, 39945), (17910, 37282), (18641, 35820), (20895, 31956), (23967, 27860), (25074, 26630)]