261994500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{6469}}^1$

素因数の和:6500

約数の個数: 120

約数和(自身を含む): 854894040

約数和(自身を除く): 592899540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 405, 450, 500, 540, 675, 750, 810, 900, 1125, 1350, 1500, 1620, 2025, 2250, 2700, 3375, 4050, 4500, 6469, 6750, 8100, 10125, 12938, 13500, 19407, 20250, 25876, 32345, 38814, 40500, 58221, 64690, 77628, 97035, 116442, 129380, 161725, 174663, 194070, 232884, 291105, 323450, 349326, 388140, 485175, 523989, 582210, 646900, 698652, 808625, 873315, 970350, 1047978, 1164420, 1455525, 1617250, 1746630, 1940700, 2095956, 2425875, 2619945, 2911050, 3234500, 3493260, 4366575, 4851750, 5239890, 5822100, 7277625, 8733150, 9703500, 10479780, 13099725, 14555250, 17466300, 21832875, 26199450, 29110500, 43665750, 52398900, 65498625, 87331500, 130997250, 261994500]

約数ペア:

[(1, 261994500), (2, 130997250), (3, 87331500), (4, 65498625), (5, 52398900), (6, 43665750), (9, 29110500), (10, 26199450), (12, 21832875), (15, 17466300), (18, 14555250), (20, 13099725), (25, 10479780), (27, 9703500), (30, 8733150), (36, 7277625), (45, 5822100), (50, 5239890), (54, 4851750), (60, 4366575), (75, 3493260), (81, 3234500), (90, 2911050), (100, 2619945), (108, 2425875), (125, 2095956), (135, 1940700), (150, 1746630), (162, 1617250), (180, 1455525), (225, 1164420), (250, 1047978), (270, 970350), (300, 873315), (324, 808625), (375, 698652), (405, 646900), (450, 582210), (500, 523989), (540, 485175), (675, 388140), (750, 349326), (810, 323450), (900, 291105), (1125, 232884), (1350, 194070), (1500, 174663), (1620, 161725), (2025, 129380), (2250, 116442), (2700, 97035), (3375, 77628), (4050, 64690), (4500, 58221), (6469, 40500), (6750, 38814), (8100, 32345), (10125, 25876), (12938, 20250), (13500, 19407)]