68201980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:755

約数の個数: 96

約数和(自身を含む): 181504512

約数和(自身を除く): 113302532

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 67, 70, 77, 110, 134, 140, 154, 220, 268, 308, 335, 385, 469, 661, 670, 737, 770, 938, 1322, 1340, 1474, 1540, 1876, 2345, 2644, 2948, 3305, 3685, 4627, 4690, 5159, 6610, 7271, 7370, 9254, 9380, 10318, 13220, 14542, 14740, 18508, 20636, 23135, 25795, 29084, 36355, 44287, 46270, 50897, 51590, 72710, 88574, 92540, 101794, 103180, 145420, 177148, 203588, 221435, 254485, 310009, 442870, 487157, 508970, 620018, 885740, 974314, 1017940, 1240036, 1550045, 1948628, 2435785, 3100090, 3410099, 4871570, 6200180, 6820198, 9743140, 13640396, 17050495, 34100990, 68201980]

約数ペア:

[(1, 68201980), (2, 34100990), (4, 17050495), (5, 13640396), (7, 9743140), (10, 6820198), (11, 6200180), (14, 4871570), (20, 3410099), (22, 3100090), (28, 2435785), (35, 1948628), (44, 1550045), (55, 1240036), (67, 1017940), (70, 974314), (77, 885740), (110, 620018), (134, 508970), (140, 487157), (154, 442870), (220, 310009), (268, 254485), (308, 221435), (335, 203588), (385, 177148), (469, 145420), (661, 103180), (670, 101794), (737, 92540), (770, 88574), (938, 72710), (1322, 51590), (1340, 50897), (1474, 46270), (1540, 44287), (1876, 36355), (2345, 29084), (2644, 25795), (2948, 23135), (3305, 20636), (3685, 18508), (4627, 14740), (4690, 14542), (5159, 13220), (6610, 10318), (7271, 9380), (7370, 9254)]