68384680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18787}}^1$

素因数の和:18818

約数の個数: 64

約数和(自身を含む): 189383040

約数和(自身を除く): 120998360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 18787, 37574, 75148, 93935, 131509, 150296, 187870, 244231, 263018, 375740, 488462, 526036, 657545, 751480, 976924, 1052072, 1221155, 1315090, 1709617, 1953848, 2442310, 2630180, 3419234, 4884620, 5260360, 6838468, 8548085, 9769240, 13676936, 17096170, 34192340, 68384680]

約数ペア:

[(1, 68384680), (2, 34192340), (4, 17096170), (5, 13676936), (7, 9769240), (8, 8548085), (10, 6838468), (13, 5260360), (14, 4884620), (20, 3419234), (26, 2630180), (28, 2442310), (35, 1953848), (40, 1709617), (52, 1315090), (56, 1221155), (65, 1052072), (70, 976924), (91, 751480), (104, 657545), (130, 526036), (140, 488462), (182, 375740), (260, 263018), (280, 244231), (364, 187870), (455, 150296), (520, 131509), (728, 93935), (910, 75148), (1820, 37574), (3640, 18787)]