128142468

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 336627200

約数和(自身を除く): 208484732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 199, 279, 372, 398, 558, 577, 597, 796, 1116, 1154, 1194, 1731, 1791, 2308, 2388, 3462, 3582, 5193, 6169, 6924, 7164, 10386, 12338, 17887, 18507, 20772, 24676, 35774, 37014, 53661, 55521, 71548, 74028, 107322, 111042, 114823, 160983, 214644, 222084, 229646, 321966, 344469, 459292, 643932, 688938, 1033407, 1377876, 2066814, 3559513, 4133628, 7119026, 10678539, 14238052, 21357078, 32035617, 42714156, 64071234, 128142468]

約数ペア:

[(1, 128142468), (2, 64071234), (3, 42714156), (4, 32035617), (6, 21357078), (9, 14238052), (12, 10678539), (18, 7119026), (31, 4133628), (36, 3559513), (62, 2066814), (93, 1377876), (124, 1033407), (186, 688938), (199, 643932), (279, 459292), (372, 344469), (398, 321966), (558, 229646), (577, 222084), (597, 214644), (796, 160983), (1116, 114823), (1154, 111042), (1194, 107322), (1731, 74028), (1791, 71548), (2308, 55521), (2388, 53661), (3462, 37014), (3582, 35774), (5193, 24676), (6169, 20772), (6924, 18507), (7164, 17887), (10386, 12338)]