16744140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 59072832

約数和(自身を除く): 42328692

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, 97, 105, 126, 137, 140, 180, 194, 210, 252, 274, 291, 315, 388, 411, 420, 485, 548, 582, 630, 679, 685, 822, 873, 959, 970, 1164, 1233, 1260, 1358, 1370, 1455, 1644, 1746, 1918, 1940, 2037, 2055, 2466, 2716, 2740, 2877, 2910, 3395, 3492, 3836, 4074, 4110, 4365, 4795, 4932, 5754, 5820, 6111, 6165, 6790, 8148, 8220, 8631, 8730, 9590, 10185, 11508, 12222, 12330, 13289, 13580, 14385, 17262, 17460, 19180, 20370, 24444, 24660, 26578, 28770, 30555, 34524, 39867, 40740, 43155, 53156, 57540, 61110, 66445, 79734, 86310, 93023, 119601, 122220, 132890, 159468, 172620, 186046, 199335, 239202, 265780, 279069, 372092, 398670, 465115, 478404, 558138, 598005, 797340, 837207, 930230, 1116276, 1196010, 1395345, 1674414, 1860460, 2392020, 2790690, 3348828, 4186035, 5581380, 8372070, 16744140]

約数ペア:

[(1, 16744140), (2, 8372070), (3, 5581380), (4, 4186035), (5, 3348828), (6, 2790690), (7, 2392020), (9, 1860460), (10, 1674414), (12, 1395345), (14, 1196010), (15, 1116276), (18, 930230), (20, 837207), (21, 797340), (28, 598005), (30, 558138), (35, 478404), (36, 465115), (42, 398670), (45, 372092), (60, 279069), (63, 265780), (70, 239202), (84, 199335), (90, 186046), (97, 172620), (105, 159468), (126, 132890), (137, 122220), (140, 119601), (180, 93023), (194, 86310), (210, 79734), (252, 66445), (274, 61110), (291, 57540), (315, 53156), (388, 43155), (411, 40740), (420, 39867), (485, 34524), (548, 30555), (582, 28770), (630, 26578), (679, 24660), (685, 24444), (822, 20370), (873, 19180), (959, 17460), (970, 17262), (1164, 14385), (1233, 13580), (1260, 13289), (1358, 12330), (1370, 12222), (1455, 11508), (1644, 10185), (1746, 9590), (1918, 8730), (1940, 8631), (2037, 8220), (2055, 8148), (2466, 6790), (2716, 6165), (2740, 6111), (2877, 5820), (2910, 5754), (3395, 4932), (3492, 4795), (3836, 4365), (4074, 4110)]