81510156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 256838400

約数和(自身を除く): 175328244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 139, 156, 179, 182, 234, 252, 273, 278, 358, 364, 417, 468, 537, 546, 556, 716, 819, 834, 973, 1074, 1092, 1251, 1253, 1611, 1638, 1668, 1807, 1946, 2148, 2327, 2502, 2506, 2919, 3222, 3276, 3614, 3759, 3892, 4654, 5004, 5012, 5421, 5838, 6444, 6981, 7228, 7518, 8757, 9308, 10842, 11277, 11676, 12649, 13962, 15036, 16263, 16289, 17514, 20943, 21684, 22554, 24881, 25298, 27924, 32526, 32578, 35028, 37947, 41886, 45108, 48867, 49762, 50596, 65052, 65156, 74643, 75894, 83772, 97734, 99524, 113841, 146601, 149286, 151788, 174167, 195468, 223929, 227682, 293202, 298572, 323453, 348334, 447858, 455364, 522501, 586404, 646906, 696668, 895716, 970359, 1045002, 1293812, 1567503, 1940718, 2090004, 2264171, 2911077, 3135006, 3881436, 4528342, 5822154, 6270012, 6792513, 9056684, 11644308, 13585026, 20377539, 27170052, 40755078, 81510156]

約数ペア:

[(1, 81510156), (2, 40755078), (3, 27170052), (4, 20377539), (6, 13585026), (7, 11644308), (9, 9056684), (12, 6792513), (13, 6270012), (14, 5822154), (18, 4528342), (21, 3881436), (26, 3135006), (28, 2911077), (36, 2264171), (39, 2090004), (42, 1940718), (52, 1567503), (63, 1293812), (78, 1045002), (84, 970359), (91, 895716), (117, 696668), (126, 646906), (139, 586404), (156, 522501), (179, 455364), (182, 447858), (234, 348334), (252, 323453), (273, 298572), (278, 293202), (358, 227682), (364, 223929), (417, 195468), (468, 174167), (537, 151788), (546, 149286), (556, 146601), (716, 113841), (819, 99524), (834, 97734), (973, 83772), (1074, 75894), (1092, 74643), (1251, 65156), (1253, 65052), (1611, 50596), (1638, 49762), (1668, 48867), (1807, 45108), (1946, 41886), (2148, 37947), (2327, 35028), (2502, 32578), (2506, 32526), (2919, 27924), (3222, 25298), (3276, 24881), (3614, 22554), (3759, 21684), (3892, 20943), (4654, 17514), (5004, 16289), (5012, 16263), (5421, 15036), (5838, 13962), (6444, 12649), (6981, 11676), (7228, 11277), (7518, 10842), (8757, 9308)]