209309520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4073

約数の個数: 160

約数和(自身を含む): 765665280

約数和(自身を除く): 556355760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4019, 4340, 5208, 6510, 7440, 8038, 8680, 10416, 12057, 13020, 16076, 17360, 20095, 24114, 26040, 28133, 32152, 40190, 48228, 52080, 56266, 60285, 64304, 80380, 84399, 96456, 112532, 120570, 124589, 140665, 160760, 168798, 192912, 225064, 241140, 249178, 281330, 321520, 337596, 373767, 421995, 450128, 482280, 498356, 562660, 622945, 675192, 747534, 843990, 872123, 964560, 996712, 1125320, 1245890, 1350384, 1495068, 1687980, 1744246, 1868835, 1993424, 2250640, 2491780, 2616369, 2990136, 3375960, 3488492, 3737670, 4360615, 4983560, 5232738, 5980272, 6751920, 6976984, 7475340, 8721230, 9967120, 10465476, 13081845, 13953968, 14950680, 17442460, 20930952, 26163690, 29901360, 34884920, 41861904, 52327380, 69769840, 104654760, 209309520]

約数ペア:

[(1, 209309520), (2, 104654760), (3, 69769840), (4, 52327380), (5, 41861904), (6, 34884920), (7, 29901360), (8, 26163690), (10, 20930952), (12, 17442460), (14, 14950680), (15, 13953968), (16, 13081845), (20, 10465476), (21, 9967120), (24, 8721230), (28, 7475340), (30, 6976984), (31, 6751920), (35, 5980272), (40, 5232738), (42, 4983560), (48, 4360615), (56, 3737670), (60, 3488492), (62, 3375960), (70, 2990136), (80, 2616369), (84, 2491780), (93, 2250640), (105, 1993424), (112, 1868835), (120, 1744246), (124, 1687980), (140, 1495068), (155, 1350384), (168, 1245890), (186, 1125320), (210, 996712), (217, 964560), (240, 872123), (248, 843990), (280, 747534), (310, 675192), (336, 622945), (372, 562660), (420, 498356), (434, 482280), (465, 450128), (496, 421995), (560, 373767), (620, 337596), (651, 321520), (744, 281330), (840, 249178), (868, 241140), (930, 225064), (1085, 192912), (1240, 168798), (1302, 160760), (1488, 140665), (1680, 124589), (1736, 120570), (1860, 112532), (2170, 96456), (2480, 84399), (2604, 80380), (3255, 64304), (3472, 60285), (3720, 56266), (4019, 52080), (4340, 48228), (5208, 40190), (6510, 32152), (7440, 28133), (8038, 26040), (8680, 24114), (10416, 20095), (12057, 17360), (13020, 16076)]