207721920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{30911}}^1$

素因数の和:30938

約数の個数: 112

約数和(自身を含む): 753758208

約数和(自身を除く): 546036288

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, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 30911, 61822, 92733, 123644, 154555, 185466, 216377, 247288, 309110, 370932, 432754, 463665, 494576, 618220, 649131, 741864, 865508, 927330, 989152, 1081885, 1236440, 1298262, 1483728, 1731016, 1854660, 1978304, 2163770, 2472880, 2596524, 2967456, 3245655, 3462032, 3709320, 4327540, 4945760, 5193048, 5934912, 6491310, 6924064, 7418640, 8655080, 9891520, 10386096, 12982620, 13848128, 14837280, 17310160, 20772192, 25965240, 29674560, 34620320, 41544384, 51930480, 69240640, 103860960, 207721920]

約数ペア:

[(1, 207721920), (2, 103860960), (3, 69240640), (4, 51930480), (5, 41544384), (6, 34620320), (7, 29674560), (8, 25965240), (10, 20772192), (12, 17310160), (14, 14837280), (15, 13848128), (16, 12982620), (20, 10386096), (21, 9891520), (24, 8655080), (28, 7418640), (30, 6924064), (32, 6491310), (35, 5934912), (40, 5193048), (42, 4945760), (48, 4327540), (56, 3709320), (60, 3462032), (64, 3245655), (70, 2967456), (80, 2596524), (84, 2472880), (96, 2163770), (105, 1978304), (112, 1854660), (120, 1731016), (140, 1483728), (160, 1298262), (168, 1236440), (192, 1081885), (210, 989152), (224, 927330), (240, 865508), (280, 741864), (320, 649131), (336, 618220), (420, 494576), (448, 463665), (480, 432754), (560, 370932), (672, 309110), (840, 247288), (960, 216377), (1120, 185466), (1344, 154555), (1680, 123644), (2240, 92733), (3360, 61822), (6720, 30911)]