81911376

素因数分解:

$2^4\times 3^2\times {\mathrm{271}}^1\times {\mathrm{2099}}^1$

素因数の和:2384

約数の個数: 60

約数和(自身を含む): 230193600

約数和(自身を除く): 148282224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 271, 542, 813, 1084, 1626, 2099, 2168, 2439, 3252, 4198, 4336, 4878, 6297, 6504, 8396, 9756, 12594, 13008, 16792, 18891, 19512, 25188, 33584, 37782, 39024, 50376, 75564, 100752, 151128, 302256, 568829, 1137658, 1706487, 2275316, 3412974, 4550632, 5119461, 6825948, 9101264, 10238922, 13651896, 20477844, 27303792, 40955688, 81911376]

約数ペア:

[(1, 81911376), (2, 40955688), (3, 27303792), (4, 20477844), (6, 13651896), (8, 10238922), (9, 9101264), (12, 6825948), (16, 5119461), (18, 4550632), (24, 3412974), (36, 2275316), (48, 1706487), (72, 1137658), (144, 568829), (271, 302256), (542, 151128), (813, 100752), (1084, 75564), (1626, 50376), (2099, 39024), (2168, 37782), (2439, 33584), (3252, 25188), (4198, 19512), (4336, 18891), (4878, 16792), (6297, 13008), (6504, 12594), (8396, 9756)]