72861520

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3463}}^1$

素因数の和:3739

約数の個数: 40

約数和(自身を含む): 170096256

約数和(自身を除く): 97234736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3463, 4208, 5260, 6926, 10520, 13852, 17315, 21040, 27704, 34630, 55408, 69260, 138520, 277040, 910769, 1821538, 3643076, 4553845, 7286152, 9107690, 14572304, 18215380, 36430760, 72861520]

約数ペア:

[(1, 72861520), (2, 36430760), (4, 18215380), (5, 14572304), (8, 9107690), (10, 7286152), (16, 4553845), (20, 3643076), (40, 1821538), (80, 910769), (263, 277040), (526, 138520), (1052, 69260), (1315, 55408), (2104, 34630), (2630, 27704), (3463, 21040), (4208, 17315), (5260, 13852), (6926, 10520)]