720205794

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:621

約数の個数: 144

約数和(自身を含む): 1984504704

約数和(自身を除く): 1264298910

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 97, 99, 121, 126, 154, 194, 198, 231, 242, 291, 363, 462, 487, 582, 679, 693, 726, 847, 873, 974, 1067, 1089, 1358, 1386, 1461, 1694, 1746, 2037, 2134, 2178, 2541, 2922, 3201, 3409, 4074, 4383, 5082, 5357, 6111, 6402, 6818, 7469, 7623, 8766, 9603, 10227, 10714, 11737, 12222, 14938, 15246, 16071, 19206, 20454, 22407, 23474, 30681, 32142, 35211, 37499, 44814, 47239, 48213, 58927, 61362, 67221, 70422, 74998, 82159, 94478, 96426, 105633, 112497, 117854, 134442, 141717, 164318, 176781, 211266, 224994, 246477, 283434, 330673, 337491, 353562, 412489, 425151, 492954, 519629, 530343, 661346, 674982, 739431, 824978, 850302, 992019, 1039258, 1060686, 1237467, 1478862, 1558887, 1984038, 2474934, 2976057, 3117774, 3637403, 3712401, 4676661, 5715919, 5952114, 7274806, 7424802, 9353322, 10912209, 11431838, 17147757, 21824418, 32736627, 34295514, 40011433, 51443271, 65473254, 80022866, 102886542, 120034299, 240068598, 360102897, 720205794]

約数ペア:

[(1, 720205794), (2, 360102897), (3, 240068598), (6, 120034299), (7, 102886542), (9, 80022866), (11, 65473254), (14, 51443271), (18, 40011433), (21, 34295514), (22, 32736627), (33, 21824418), (42, 17147757), (63, 11431838), (66, 10912209), (77, 9353322), (97, 7424802), (99, 7274806), (121, 5952114), (126, 5715919), (154, 4676661), (194, 3712401), (198, 3637403), (231, 3117774), (242, 2976057), (291, 2474934), (363, 1984038), (462, 1558887), (487, 1478862), (582, 1237467), (679, 1060686), (693, 1039258), (726, 992019), (847, 850302), (873, 824978), (974, 739431), (1067, 674982), (1089, 661346), (1358, 530343), (1386, 519629), (1461, 492954), (1694, 425151), (1746, 412489), (2037, 353562), (2134, 337491), (2178, 330673), (2541, 283434), (2922, 246477), (3201, 224994), (3409, 211266), (4074, 176781), (4383, 164318), (5082, 141717), (5357, 134442), (6111, 117854), (6402, 112497), (6818, 105633), (7469, 96426), (7623, 94478), (8766, 82159), (9603, 74998), (10227, 70422), (10714, 67221), (11737, 61362), (12222, 58927), (14938, 48213), (15246, 47239), (16071, 44814), (19206, 37499), (20454, 35211), (22407, 32142), (23474, 30681)]