68265680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1036

約数の個数: 80

約数和(自身を含む): 182904960

約数和(自身を除く): 114639280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 877, 973, 1112, 1390, 1754, 1946, 2224, 2780, 3508, 3892, 4385, 4865, 5560, 6139, 7016, 7784, 8770, 9730, 11120, 12278, 14032, 15568, 17540, 19460, 24556, 30695, 35080, 38920, 49112, 61390, 70160, 77840, 98224, 121903, 122780, 243806, 245560, 487612, 491120, 609515, 853321, 975224, 1219030, 1706642, 1950448, 2438060, 3413284, 4266605, 4876120, 6826568, 8533210, 9752240, 13653136, 17066420, 34132840, 68265680]

約数ペア:

[(1, 68265680), (2, 34132840), (4, 17066420), (5, 13653136), (7, 9752240), (8, 8533210), (10, 6826568), (14, 4876120), (16, 4266605), (20, 3413284), (28, 2438060), (35, 1950448), (40, 1706642), (56, 1219030), (70, 975224), (80, 853321), (112, 609515), (139, 491120), (140, 487612), (278, 245560), (280, 243806), (556, 122780), (560, 121903), (695, 98224), (877, 77840), (973, 70160), (1112, 61390), (1390, 49112), (1754, 38920), (1946, 35080), (2224, 30695), (2780, 24556), (3508, 19460), (3892, 17540), (4385, 15568), (4865, 14032), (5560, 12278), (6139, 11120), (7016, 9730), (7784, 8770)]