209919360

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{15619}}^1$

素因数の和:15648

約数の個数: 128

約数和(自身を含む): 764755200

約数和(自身を除く): 554835840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 15619, 31238, 46857, 62476, 78095, 93714, 109333, 124952, 156190, 187428, 218666, 234285, 249904, 312380, 327999, 374856, 437332, 468570, 499808, 546665, 624760, 655998, 749712, 874664, 937140, 999616, 1093330, 1249520, 1311996, 1499424, 1639995, 1749328, 1874280, 1999232, 2186660, 2499040, 2623992, 2998848, 3279990, 3498656, 3748560, 4373320, 4998080, 5247984, 5997696, 6559980, 6997312, 7497120, 8746640, 9996160, 10495968, 13119960, 13994624, 14994240, 17493280, 20991936, 26239920, 29988480, 34986560, 41983872, 52479840, 69973120, 104959680, 209919360]

約数ペア:

[(1, 209919360), (2, 104959680), (3, 69973120), (4, 52479840), (5, 41983872), (6, 34986560), (7, 29988480), (8, 26239920), (10, 20991936), (12, 17493280), (14, 14994240), (15, 13994624), (16, 13119960), (20, 10495968), (21, 9996160), (24, 8746640), (28, 7497120), (30, 6997312), (32, 6559980), (35, 5997696), (40, 5247984), (42, 4998080), (48, 4373320), (56, 3748560), (60, 3498656), (64, 3279990), (70, 2998848), (80, 2623992), (84, 2499040), (96, 2186660), (105, 1999232), (112, 1874280), (120, 1749328), (128, 1639995), (140, 1499424), (160, 1311996), (168, 1249520), (192, 1093330), (210, 999616), (224, 937140), (240, 874664), (280, 749712), (320, 655998), (336, 624760), (384, 546665), (420, 499808), (448, 468570), (480, 437332), (560, 374856), (640, 327999), (672, 312380), (840, 249904), (896, 234285), (960, 218666), (1120, 187428), (1344, 156190), (1680, 124952), (1920, 109333), (2240, 93714), (2688, 78095), (3360, 62476), (4480, 46857), (6720, 31238), (13440, 15619)]