81457776

素因数分解:

$2^4\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1709}}^1$

素因数の和:2054

約数の個数: 60

約数和(自身を含む): 228791160

約数和(自身を除く): 147333384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 331, 662, 993, 1324, 1709, 1986, 2648, 2979, 3418, 3972, 5127, 5296, 5958, 6836, 7944, 10254, 11916, 13672, 15381, 15888, 20508, 23832, 27344, 30762, 41016, 47664, 61524, 82032, 123048, 246096, 565679, 1131358, 1697037, 2262716, 3394074, 4525432, 5091111, 6788148, 9050864, 10182222, 13576296, 20364444, 27152592, 40728888, 81457776]

約数ペア:

[(1, 81457776), (2, 40728888), (3, 27152592), (4, 20364444), (6, 13576296), (8, 10182222), (9, 9050864), (12, 6788148), (16, 5091111), (18, 4525432), (24, 3394074), (36, 2262716), (48, 1697037), (72, 1131358), (144, 565679), (331, 246096), (662, 123048), (993, 82032), (1324, 61524), (1709, 47664), (1986, 41016), (2648, 30762), (2979, 27344), (3418, 23832), (3972, 20508), (5127, 15888), (5296, 15381), (5958, 13672), (6836, 11916), (7944, 10254)]