21164866920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{109481}}^1$

素因数の和:109680

約数の個数: 128

約数和(自身を含む): 70944336000

約数和(自身を除く): 49779469080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 179, 180, 216, 270, 358, 360, 537, 540, 716, 895, 1074, 1080, 1432, 1611, 1790, 2148, 2685, 3222, 3580, 4296, 4833, 5370, 6444, 7160, 8055, 9666, 10740, 12888, 16110, 19332, 21480, 24165, 32220, 38664, 48330, 64440, 96660, 109481, 193320, 218962, 328443, 437924, 547405, 656886, 875848, 985329, 1094810, 1313772, 1642215, 1970658, 2189620, 2627544, 2955987, 3284430, 3941316, 4379240, 4926645, 5911974, 6568860, 7882632, 9853290, 11823948, 13137720, 14779935, 19597099, 19706580, 23647896, 29559870, 39194198, 39413160, 58791297, 59119740, 78388396, 97985495, 117582594, 118239480, 156776792, 176373891, 195970990, 235165188, 293956485, 352747782, 391941980, 470330376, 529121673, 587912970, 705495564, 783883960, 881869455, 1058243346, 1175825940, 1410991128, 1763738910, 2116486692, 2351651880, 2645608365, 3527477820, 4232973384, 5291216730, 7054955640, 10582433460, 21164866920]

約数ペア:

[(1, 21164866920), (2, 10582433460), (3, 7054955640), (4, 5291216730), (5, 4232973384), (6, 3527477820), (8, 2645608365), (9, 2351651880), (10, 2116486692), (12, 1763738910), (15, 1410991128), (18, 1175825940), (20, 1058243346), (24, 881869455), (27, 783883960), (30, 705495564), (36, 587912970), (40, 529121673), (45, 470330376), (54, 391941980), (60, 352747782), (72, 293956485), (90, 235165188), (108, 195970990), (120, 176373891), (135, 156776792), (179, 118239480), (180, 117582594), (216, 97985495), (270, 78388396), (358, 59119740), (360, 58791297), (537, 39413160), (540, 39194198), (716, 29559870), (895, 23647896), (1074, 19706580), (1080, 19597099), (1432, 14779935), (1611, 13137720), (1790, 11823948), (2148, 9853290), (2685, 7882632), (3222, 6568860), (3580, 5911974), (4296, 4926645), (4833, 4379240), (5370, 3941316), (6444, 3284430), (7160, 2955987), (8055, 2627544), (9666, 2189620), (10740, 1970658), (12888, 1642215), (16110, 1313772), (19332, 1094810), (21480, 985329), (24165, 875848), (32220, 656886), (38664, 547405), (48330, 437924), (64440, 328443), (96660, 218962), (109481, 193320)]