68753560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 160807680

約数和(自身を除く): 92054120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 563, 568, 710, 860, 1126, 1420, 1720, 2252, 2815, 2840, 3053, 4504, 5630, 6106, 11260, 12212, 15265, 22520, 24209, 24424, 30530, 39973, 48418, 61060, 79946, 96836, 121045, 122120, 159892, 193672, 199865, 242090, 319784, 399730, 484180, 799460, 968360, 1598920, 1718839, 3437678, 6875356, 8594195, 13750712, 17188390, 34376780, 68753560]

約数ペア:

[(1, 68753560), (2, 34376780), (4, 17188390), (5, 13750712), (8, 8594195), (10, 6875356), (20, 3437678), (40, 1718839), (43, 1598920), (71, 968360), (86, 799460), (142, 484180), (172, 399730), (215, 319784), (284, 242090), (344, 199865), (355, 193672), (430, 159892), (563, 122120), (568, 121045), (710, 96836), (860, 79946), (1126, 61060), (1420, 48418), (1720, 39973), (2252, 30530), (2815, 24424), (2840, 24209), (3053, 22520), (4504, 15265), (5630, 12212), (6106, 11260)]