31671480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 103680000

約数和(自身を除く): 72008520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 285, 290, 348, 380, 435, 456, 479, 551, 570, 580, 696, 760, 870, 958, 1102, 1140, 1160, 1437, 1653, 1740, 1916, 2204, 2280, 2395, 2755, 2874, 3306, 3480, 3832, 4408, 4790, 5510, 5748, 6612, 7185, 8265, 9101, 9580, 11020, 11496, 13224, 13891, 14370, 16530, 18202, 19160, 22040, 27303, 27782, 28740, 33060, 36404, 41673, 45505, 54606, 55564, 57480, 66120, 69455, 72808, 83346, 91010, 109212, 111128, 136515, 138910, 166692, 182020, 208365, 218424, 263929, 273030, 277820, 333384, 364040, 416730, 527858, 546060, 555640, 791787, 833460, 1055716, 1092120, 1319645, 1583574, 1666920, 2111432, 2639290, 3167148, 3958935, 5278580, 6334296, 7917870, 10557160, 15835740, 31671480]

約数ペア:

[(1, 31671480), (2, 15835740), (3, 10557160), (4, 7917870), (5, 6334296), (6, 5278580), (8, 3958935), (10, 3167148), (12, 2639290), (15, 2111432), (19, 1666920), (20, 1583574), (24, 1319645), (29, 1092120), (30, 1055716), (38, 833460), (40, 791787), (57, 555640), (58, 546060), (60, 527858), (76, 416730), (87, 364040), (95, 333384), (114, 277820), (116, 273030), (120, 263929), (145, 218424), (152, 208365), (174, 182020), (190, 166692), (228, 138910), (232, 136515), (285, 111128), (290, 109212), (348, 91010), (380, 83346), (435, 72808), (456, 69455), (479, 66120), (551, 57480), (570, 55564), (580, 54606), (696, 45505), (760, 41673), (870, 36404), (958, 33060), (1102, 28740), (1140, 27782), (1160, 27303), (1437, 22040), (1653, 19160), (1740, 18202), (1916, 16530), (2204, 14370), (2280, 13891), (2395, 13224), (2755, 11496), (2874, 11020), (3306, 9580), (3480, 9101), (3832, 8265), (4408, 7185), (4790, 6612), (5510, 5748)]