68617240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 161040960

約数和(自身を除く): 92423720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 653, 710, 740, 1306, 1420, 1480, 2612, 2627, 2840, 3265, 5224, 5254, 6530, 10508, 13060, 13135, 21016, 24161, 26120, 26270, 46363, 48322, 52540, 92726, 96644, 105080, 120805, 185452, 193288, 231815, 241610, 370904, 463630, 483220, 927260, 966440, 1715431, 1854520, 3430862, 6861724, 8577155, 13723448, 17154310, 34308620, 68617240]

約数ペア:

[(1, 68617240), (2, 34308620), (4, 17154310), (5, 13723448), (8, 8577155), (10, 6861724), (20, 3430862), (37, 1854520), (40, 1715431), (71, 966440), (74, 927260), (142, 483220), (148, 463630), (185, 370904), (284, 241610), (296, 231815), (355, 193288), (370, 185452), (568, 120805), (653, 105080), (710, 96644), (740, 92726), (1306, 52540), (1420, 48322), (1480, 46363), (2612, 26270), (2627, 26120), (2840, 24161), (3265, 21016), (5224, 13135), (5254, 13060), (6530, 10508)]