81108160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36209}}^1$

素因数の和:36233

約数の個数: 56

約数和(自身を含む): 220736160

約数和(自身を除く): 139628000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36209, 72418, 144836, 181045, 253463, 289672, 362090, 506926, 579344, 724180, 1013852, 1158688, 1267315, 1448360, 2027704, 2317376, 2534630, 2896720, 4055408, 5069260, 5793440, 8110816, 10138520, 11586880, 16221632, 20277040, 40554080, 81108160]

約数ペア:

[(1, 81108160), (2, 40554080), (4, 20277040), (5, 16221632), (7, 11586880), (8, 10138520), (10, 8110816), (14, 5793440), (16, 5069260), (20, 4055408), (28, 2896720), (32, 2534630), (35, 2317376), (40, 2027704), (56, 1448360), (64, 1267315), (70, 1158688), (80, 1013852), (112, 724180), (140, 579344), (160, 506926), (224, 362090), (280, 289672), (320, 253463), (448, 181045), (560, 144836), (1120, 72418), (2240, 36209)]