68157940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2161}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 152550720

約数和(自身を除く): 84392780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 2161, 3154, 4322, 6308, 7885, 8644, 10805, 15770, 21610, 31540, 41059, 43220, 82118, 164236, 179363, 205295, 358726, 410590, 717452, 821180, 896815, 1793630, 3407897, 3587260, 6815794, 13631588, 17039485, 34078970, 68157940]

約数ペア:

[(1, 68157940), (2, 34078970), (4, 17039485), (5, 13631588), (10, 6815794), (19, 3587260), (20, 3407897), (38, 1793630), (76, 896815), (83, 821180), (95, 717452), (166, 410590), (190, 358726), (332, 205295), (380, 179363), (415, 164236), (830, 82118), (1577, 43220), (1660, 41059), (2161, 31540), (3154, 21610), (4322, 15770), (6308, 10805), (7885, 8644)]