55767180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 187294464

約数和(自身を除く): 131527284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 251, 276, 322, 345, 420, 460, 483, 502, 529, 644, 690, 753, 805, 966, 1004, 1058, 1255, 1380, 1506, 1587, 1610, 1757, 1932, 2116, 2415, 2510, 2645, 3012, 3174, 3220, 3514, 3703, 3765, 4830, 5020, 5271, 5290, 5773, 6348, 7028, 7406, 7530, 7935, 8785, 9660, 10542, 10580, 11109, 11546, 14812, 15060, 15870, 17319, 17570, 18515, 21084, 22218, 23092, 26355, 28865, 31740, 34638, 35140, 37030, 40411, 44436, 52710, 55545, 57730, 69276, 74060, 80822, 86595, 105420, 111090, 115460, 121233, 132779, 161644, 173190, 202055, 222180, 242466, 265558, 346380, 398337, 404110, 484932, 531116, 606165, 663895, 796674, 808220, 929453, 1212330, 1327790, 1593348, 1858906, 1991685, 2424660, 2655580, 2788359, 3717812, 3983370, 4647265, 5576718, 7966740, 9294530, 11153436, 13941795, 18589060, 27883590, 55767180]

約数ペア:

[(1, 55767180), (2, 27883590), (3, 18589060), (4, 13941795), (5, 11153436), (6, 9294530), (7, 7966740), (10, 5576718), (12, 4647265), (14, 3983370), (15, 3717812), (20, 2788359), (21, 2655580), (23, 2424660), (28, 1991685), (30, 1858906), (35, 1593348), (42, 1327790), (46, 1212330), (60, 929453), (69, 808220), (70, 796674), (84, 663895), (92, 606165), (105, 531116), (115, 484932), (138, 404110), (140, 398337), (161, 346380), (210, 265558), (230, 242466), (251, 222180), (276, 202055), (322, 173190), (345, 161644), (420, 132779), (460, 121233), (483, 115460), (502, 111090), (529, 105420), (644, 86595), (690, 80822), (753, 74060), (805, 69276), (966, 57730), (1004, 55545), (1058, 52710), (1255, 44436), (1380, 40411), (1506, 37030), (1587, 35140), (1610, 34638), (1757, 31740), (1932, 28865), (2116, 26355), (2415, 23092), (2510, 22218), (2645, 21084), (3012, 18515), (3174, 17570), (3220, 17319), (3514, 15870), (3703, 15060), (3765, 14812), (4830, 11546), (5020, 11109), (5271, 10580), (5290, 10542), (5773, 9660), (6348, 8785), (7028, 7935), (7406, 7530)]