31156440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 128

約数和(自身を含む): 110592000

約数和(自身を除く): 79435560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1279, 1624, 1740, 2030, 2436, 2558, 3045, 3480, 3837, 4060, 4872, 5116, 6090, 6395, 7674, 8120, 8953, 10232, 12180, 12790, 15348, 17906, 19185, 24360, 25580, 26859, 30696, 35812, 37091, 38370, 44765, 51160, 53718, 71624, 74182, 76740, 89530, 107436, 111273, 134295, 148364, 153480, 179060, 185455, 214872, 222546, 259637, 268590, 296728, 358120, 370910, 445092, 519274, 537180, 556365, 741820, 778911, 890184, 1038548, 1074360, 1112730, 1298185, 1483640, 1557822, 2077096, 2225460, 2596370, 3115644, 3894555, 4450920, 5192740, 6231288, 7789110, 10385480, 15578220, 31156440]

約数ペア:

[(1, 31156440), (2, 15578220), (3, 10385480), (4, 7789110), (5, 6231288), (6, 5192740), (7, 4450920), (8, 3894555), (10, 3115644), (12, 2596370), (14, 2225460), (15, 2077096), (20, 1557822), (21, 1483640), (24, 1298185), (28, 1112730), (29, 1074360), (30, 1038548), (35, 890184), (40, 778911), (42, 741820), (56, 556365), (58, 537180), (60, 519274), (70, 445092), (84, 370910), (87, 358120), (105, 296728), (116, 268590), (120, 259637), (140, 222546), (145, 214872), (168, 185455), (174, 179060), (203, 153480), (210, 148364), (232, 134295), (280, 111273), (290, 107436), (348, 89530), (406, 76740), (420, 74182), (435, 71624), (580, 53718), (609, 51160), (696, 44765), (812, 38370), (840, 37091), (870, 35812), (1015, 30696), (1160, 26859), (1218, 25580), (1279, 24360), (1624, 19185), (1740, 17906), (2030, 15348), (2436, 12790), (2558, 12180), (3045, 10232), (3480, 8953), (3837, 8120), (4060, 7674), (4872, 6395), (5116, 6090)]