31326960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:695

約数の個数: 160

約数和(自身を含む): 114992640

約数和(自身を除く): 83665680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 580, 609, 643, 696, 812, 840, 870, 1015, 1160, 1218, 1286, 1392, 1624, 1680, 1740, 1929, 2030, 2320, 2436, 2572, 3045, 3215, 3248, 3480, 3858, 4060, 4501, 4872, 5144, 6090, 6430, 6960, 7716, 8120, 9002, 9645, 9744, 10288, 12180, 12860, 13503, 15432, 16240, 18004, 18647, 19290, 22505, 24360, 25720, 27006, 30864, 36008, 37294, 38580, 45010, 48720, 51440, 54012, 55941, 67515, 72016, 74588, 77160, 90020, 93235, 108024, 111882, 130529, 135030, 149176, 154320, 180040, 186470, 216048, 223764, 261058, 270060, 279705, 298352, 360080, 372940, 391587, 447528, 522116, 540120, 559410, 652645, 745880, 783174, 895056, 1044232, 1080240, 1118820, 1305290, 1491760, 1566348, 1957935, 2088464, 2237640, 2610580, 3132696, 3915870, 4475280, 5221160, 6265392, 7831740, 10442320, 15663480, 31326960]

約数ペア:

[(1, 31326960), (2, 15663480), (3, 10442320), (4, 7831740), (5, 6265392), (6, 5221160), (7, 4475280), (8, 3915870), (10, 3132696), (12, 2610580), (14, 2237640), (15, 2088464), (16, 1957935), (20, 1566348), (21, 1491760), (24, 1305290), (28, 1118820), (29, 1080240), (30, 1044232), (35, 895056), (40, 783174), (42, 745880), (48, 652645), (56, 559410), (58, 540120), (60, 522116), (70, 447528), (80, 391587), (84, 372940), (87, 360080), (105, 298352), (112, 279705), (116, 270060), (120, 261058), (140, 223764), (145, 216048), (168, 186470), (174, 180040), (203, 154320), (210, 149176), (232, 135030), (240, 130529), (280, 111882), (290, 108024), (336, 93235), (348, 90020), (406, 77160), (420, 74588), (435, 72016), (464, 67515), (560, 55941), (580, 54012), (609, 51440), (643, 48720), (696, 45010), (812, 38580), (840, 37294), (870, 36008), (1015, 30864), (1160, 27006), (1218, 25720), (1286, 24360), (1392, 22505), (1624, 19290), (1680, 18647), (1740, 18004), (1929, 16240), (2030, 15432), (2320, 13503), (2436, 12860), (2572, 12180), (3045, 10288), (3215, 9744), (3248, 9645), (3480, 9002), (3858, 8120), (4060, 7716), (4501, 6960), (4872, 6430), (5144, 6090)]