2720172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 8128512

約数和(自身を除く): 5408340

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 47, 52, 53, 78, 84, 91, 94, 106, 141, 156, 159, 182, 188, 212, 273, 282, 318, 329, 364, 371, 546, 564, 611, 636, 658, 689, 742, 987, 1092, 1113, 1222, 1316, 1378, 1484, 1833, 1974, 2067, 2226, 2444, 2491, 2756, 3666, 3948, 4134, 4277, 4452, 4823, 4982, 7332, 7473, 8268, 8554, 9646, 9964, 12831, 14469, 14946, 17108, 17437, 19292, 25662, 28938, 29892, 32383, 34874, 51324, 52311, 57876, 64766, 69748, 97149, 104622, 129532, 194298, 209244, 226681, 388596, 453362, 680043, 906724, 1360086, 2720172]

約数ペア:

[(1, 2720172), (2, 1360086), (3, 906724), (4, 680043), (6, 453362), (7, 388596), (12, 226681), (13, 209244), (14, 194298), (21, 129532), (26, 104622), (28, 97149), (39, 69748), (42, 64766), (47, 57876), (52, 52311), (53, 51324), (78, 34874), (84, 32383), (91, 29892), (94, 28938), (106, 25662), (141, 19292), (156, 17437), (159, 17108), (182, 14946), (188, 14469), (212, 12831), (273, 9964), (282, 9646), (318, 8554), (329, 8268), (364, 7473), (371, 7332), (546, 4982), (564, 4823), (611, 4452), (636, 4277), (658, 4134), (689, 3948), (742, 3666), (987, 2756), (1092, 2491), (1113, 2444), (1222, 2226), (1316, 2067), (1378, 1974), (1484, 1833)]