1231293560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{977}}^1$

素因数の和:1645

約数の個数: 96

約数和(自身を含む): 3231038160

約数和(自身を除く): 1999744600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 643, 977, 980, 1286, 1954, 1960, 2572, 3215, 3908, 4501, 4885, 5144, 6430, 6839, 7816, 9002, 9770, 12860, 13678, 18004, 19540, 22505, 25720, 27356, 31507, 34195, 36008, 39080, 45010, 47873, 54712, 63014, 68390, 90020, 95746, 126028, 136780, 157535, 180040, 191492, 239365, 252056, 273560, 315070, 382984, 478730, 628211, 630140, 957460, 1256422, 1260280, 1914920, 2512844, 3141055, 4397477, 5025688, 6282110, 8794954, 12564220, 17589908, 21987385, 25128440, 30782339, 35179816, 43974770, 61564678, 87949540, 123129356, 153911695, 175899080, 246258712, 307823390, 615646780, 1231293560]

約数ペア:

[(1, 1231293560), (2, 615646780), (4, 307823390), (5, 246258712), (7, 175899080), (8, 153911695), (10, 123129356), (14, 87949540), (20, 61564678), (28, 43974770), (35, 35179816), (40, 30782339), (49, 25128440), (56, 21987385), (70, 17589908), (98, 12564220), (140, 8794954), (196, 6282110), (245, 5025688), (280, 4397477), (392, 3141055), (490, 2512844), (643, 1914920), (977, 1260280), (980, 1256422), (1286, 957460), (1954, 630140), (1960, 628211), (2572, 478730), (3215, 382984), (3908, 315070), (4501, 273560), (4885, 252056), (5144, 239365), (6430, 191492), (6839, 180040), (7816, 157535), (9002, 136780), (9770, 126028), (12860, 95746), (13678, 90020), (18004, 68390), (19540, 63014), (22505, 54712), (25720, 47873), (27356, 45010), (31507, 39080), (34195, 36008)]