128217888

素因数分解:

$2^5\times 3^2\times {\mathrm{347}}^1\times {\mathrm{1283}}^1$

素因数の和:1646

約数の個数: 72

約数和(自身を含む): 365955408

約数和(自身を除く): 237737520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 347, 694, 1041, 1283, 1388, 2082, 2566, 2776, 3123, 3849, 4164, 5132, 5552, 6246, 7698, 8328, 10264, 11104, 11547, 12492, 15396, 16656, 20528, 23094, 24984, 30792, 33312, 41056, 46188, 49968, 61584, 92376, 99936, 123168, 184752, 369504, 445201, 890402, 1335603, 1780804, 2671206, 3561608, 4006809, 5342412, 7123216, 8013618, 10684824, 14246432, 16027236, 21369648, 32054472, 42739296, 64108944, 128217888]

約数ペア:

[(1, 128217888), (2, 64108944), (3, 42739296), (4, 32054472), (6, 21369648), (8, 16027236), (9, 14246432), (12, 10684824), (16, 8013618), (18, 7123216), (24, 5342412), (32, 4006809), (36, 3561608), (48, 2671206), (72, 1780804), (96, 1335603), (144, 890402), (288, 445201), (347, 369504), (694, 184752), (1041, 123168), (1283, 99936), (1388, 92376), (2082, 61584), (2566, 49968), (2776, 46188), (3123, 41056), (3849, 33312), (4164, 30792), (5132, 24984), (5552, 23094), (6246, 20528), (7698, 16656), (8328, 15396), (10264, 12492), (11104, 11547)]