81209628

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 228708480

約数和(自身を除く): 147498852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 43, 54, 58, 67, 81, 86, 87, 108, 116, 129, 134, 162, 172, 174, 201, 243, 258, 261, 268, 324, 348, 387, 402, 486, 516, 522, 603, 774, 783, 804, 972, 1044, 1161, 1206, 1247, 1548, 1566, 1809, 1943, 2322, 2349, 2412, 2494, 2881, 3132, 3483, 3618, 3741, 3886, 4644, 4698, 4988, 5427, 5762, 5829, 6966, 7047, 7236, 7482, 7772, 8643, 9396, 10449, 10854, 11223, 11524, 11658, 13932, 14094, 14964, 16281, 17286, 17487, 20898, 21708, 22446, 23316, 25929, 28188, 32562, 33669, 34572, 34974, 41796, 44892, 51858, 52461, 65124, 67338, 69948, 77787, 83549, 101007, 103716, 104922, 134676, 155574, 157383, 167098, 202014, 209844, 233361, 250647, 303021, 311148, 314766, 334196, 404028, 466722, 472149, 501294, 606042, 629532, 700083, 751941, 933444, 944298, 1002588, 1212084, 1400166, 1503882, 1888596, 2255823, 2800332, 3007764, 4511646, 6767469, 9023292, 13534938, 20302407, 27069876, 40604814, 81209628]

約数ペア:

[(1, 81209628), (2, 40604814), (3, 27069876), (4, 20302407), (6, 13534938), (9, 9023292), (12, 6767469), (18, 4511646), (27, 3007764), (29, 2800332), (36, 2255823), (43, 1888596), (54, 1503882), (58, 1400166), (67, 1212084), (81, 1002588), (86, 944298), (87, 933444), (108, 751941), (116, 700083), (129, 629532), (134, 606042), (162, 501294), (172, 472149), (174, 466722), (201, 404028), (243, 334196), (258, 314766), (261, 311148), (268, 303021), (324, 250647), (348, 233361), (387, 209844), (402, 202014), (486, 167098), (516, 157383), (522, 155574), (603, 134676), (774, 104922), (783, 103716), (804, 101007), (972, 83549), (1044, 77787), (1161, 69948), (1206, 67338), (1247, 65124), (1548, 52461), (1566, 51858), (1809, 44892), (1943, 41796), (2322, 34974), (2349, 34572), (2412, 33669), (2494, 32562), (2881, 28188), (3132, 25929), (3483, 23316), (3618, 22446), (3741, 21708), (3886, 20898), (4644, 17487), (4698, 17286), (4988, 16281), (5427, 14964), (5762, 14094), (5829, 13932), (6966, 11658), (7047, 11524), (7236, 11223), (7482, 10854), (7772, 10449), (8643, 9396)]