209408640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{15581}}^1$

素因数の和:15610

約数の個数: 128

約数和(自身を含む): 762894720

約数和(自身を除く): 553486080

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, 15581, 31162, 46743, 62324, 77905, 93486, 109067, 124648, 155810, 186972, 218134, 233715, 249296, 311620, 327201, 373944, 436268, 467430, 498592, 545335, 623240, 654402, 747888, 872536, 934860, 997184, 1090670, 1246480, 1308804, 1495776, 1636005, 1745072, 1869720, 1994368, 2181340, 2492960, 2617608, 2991552, 3272010, 3490144, 3739440, 4362680, 4985920, 5235216, 5983104, 6544020, 6980288, 7478880, 8725360, 9971840, 10470432, 13088040, 13960576, 14957760, 17450720, 20940864, 26176080, 29915520, 34901440, 41881728, 52352160, 69802880, 104704320, 209408640]

約数ペア:

[(1, 209408640), (2, 104704320), (3, 69802880), (4, 52352160), (5, 41881728), (6, 34901440), (7, 29915520), (8, 26176080), (10, 20940864), (12, 17450720), (14, 14957760), (15, 13960576), (16, 13088040), (20, 10470432), (21, 9971840), (24, 8725360), (28, 7478880), (30, 6980288), (32, 6544020), (35, 5983104), (40, 5235216), (42, 4985920), (48, 4362680), (56, 3739440), (60, 3490144), (64, 3272010), (70, 2991552), (80, 2617608), (84, 2492960), (96, 2181340), (105, 1994368), (112, 1869720), (120, 1745072), (128, 1636005), (140, 1495776), (160, 1308804), (168, 1246480), (192, 1090670), (210, 997184), (224, 934860), (240, 872536), (280, 747888), (320, 654402), (336, 623240), (384, 545335), (420, 498592), (448, 467430), (480, 436268), (560, 373944), (640, 327201), (672, 311620), (840, 249296), (896, 233715), (960, 218134), (1120, 186972), (1344, 155810), (1680, 124648), (1920, 109067), (2240, 93486), (2688, 77905), (3360, 62324), (4480, 46743), (6720, 31162), (13440, 15581)]