81455328

素因数分解:

$2^5\times 3^3\times {\mathrm{23}}^1\times {\mathrm{4099}}^1$

素因数の和:4141

約数の個数: 96

約数和(自身を含む): 247968000

約数和(自身を除く): 166512672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 92, 96, 108, 138, 144, 184, 207, 216, 276, 288, 368, 414, 432, 552, 621, 736, 828, 864, 1104, 1242, 1656, 2208, 2484, 3312, 4099, 4968, 6624, 8198, 9936, 12297, 16396, 19872, 24594, 32792, 36891, 49188, 65584, 73782, 94277, 98376, 110673, 131168, 147564, 188554, 196752, 221346, 282831, 295128, 377108, 393504, 442692, 565662, 590256, 754216, 848493, 885384, 1131324, 1180512, 1508432, 1696986, 1770768, 2262648, 2545479, 3016864, 3393972, 3541536, 4525296, 5090958, 6787944, 9050592, 10181916, 13575888, 20363832, 27151776, 40727664, 81455328]

約数ペア:

[(1, 81455328), (2, 40727664), (3, 27151776), (4, 20363832), (6, 13575888), (8, 10181916), (9, 9050592), (12, 6787944), (16, 5090958), (18, 4525296), (23, 3541536), (24, 3393972), (27, 3016864), (32, 2545479), (36, 2262648), (46, 1770768), (48, 1696986), (54, 1508432), (69, 1180512), (72, 1131324), (92, 885384), (96, 848493), (108, 754216), (138, 590256), (144, 565662), (184, 442692), (207, 393504), (216, 377108), (276, 295128), (288, 282831), (368, 221346), (414, 196752), (432, 188554), (552, 147564), (621, 131168), (736, 110673), (828, 98376), (864, 94277), (1104, 73782), (1242, 65584), (1656, 49188), (2208, 36891), (2484, 32792), (3312, 24594), (4099, 19872), (4968, 16396), (6624, 12297), (8198, 9936)]