181708740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43891}}^1$

素因数の和:43929

約数の個数: 72

約数和(自身を含む): 575160768

約数和(自身を除く): 393452028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 43891, 87782, 131673, 175564, 219455, 263346, 395019, 438910, 526692, 658365, 790038, 877820, 1009493, 1316730, 1580076, 1975095, 2018986, 2633460, 3028479, 3950190, 4037972, 5047465, 6056958, 7900380, 9085437, 10094930, 12113916, 15142395, 18170874, 20189860, 30284790, 36341748, 45427185, 60569580, 90854370, 181708740]

約数ペア:

[(1, 181708740), (2, 90854370), (3, 60569580), (4, 45427185), (5, 36341748), (6, 30284790), (9, 20189860), (10, 18170874), (12, 15142395), (15, 12113916), (18, 10094930), (20, 9085437), (23, 7900380), (30, 6056958), (36, 5047465), (45, 4037972), (46, 3950190), (60, 3028479), (69, 2633460), (90, 2018986), (92, 1975095), (115, 1580076), (138, 1316730), (180, 1009493), (207, 877820), (230, 790038), (276, 658365), (345, 526692), (414, 438910), (460, 395019), (690, 263346), (828, 219455), (1035, 175564), (1380, 131673), (2070, 87782), (4140, 43891)]